Original articles

Røe Y, Buchbinder R, Grotle M, Whittle S, Ramiro S, Huang H, Gagnier J, Verhagen A, Østensjø S (2020)
What do the OMERACT Shoulder Core Set candidate instruments measure? An analysis using the refined ICF linking rules
J Rheumatol (in press)
DOI 10.3899/jrheum.190832, PubMed 32062599

Major DH, Røe Y, Grotle M, Jessup RL, Farmer C, Småstuen MC, Buchbinder R (2019)
Content reporting of exercise interventions in rotator cuff disease trials: results from application of the Consensus on Exercise Reporting Template (CERT)
BMJ Open Sport Exerc Med, 5 (1), e000656
DOI 10.1136/bmjsem-2019-000656, PubMed 31908837

Fjeld OR, Grotle M, Matre D, Pedersen LM, Lie MU, Småstuen MC, Storheim K, Heuch I, Stubhaug A, Zwart JA, Nilsen KB (2019)
Predicting the outcome of persistent sciatica using conditioned pain modulation: 1-year results from a prospective cohort study
Scand J Pain, 20 (1), 69-75
DOI 10.1515/sjpain-2019-0112, PubMed 31527299

Schulze DG, Nordby KC, Cvancarova Småstuen M, Clemm T, Grotle M, Zwart JA, Nilsen KB (2019)
Impact of technical variations on the ring-finger test for carpal tunnel syndrome
Clin Neurophysiol Pract, 5, 23-29
DOI 10.1016/j.cnp.2019.11.005, PubMed 31909307

Ogollah R, Bishop A, Lewis M, Grotle M, Foster NE (2019)
Responsiveness and Minimal Important Change for Pain and Disability Outcome Measures in Pregnancy-Related Low Back and Pelvic Girdle Pain
Phys Ther, 99 (11), 1551-1561
DOI 10.1093/ptj/pzz107, PubMed 31392990

Tingulstad A, Munk R, Grotle M, Vigdal Ø, Storheim K, Langhammer B (2019)
Back beliefs among elderly seeking health care due to back pain; psychometric properties of the Norwegian version of the back beliefs questionnaire
BMC Musculoskelet Disord, 20 (1), 510
DOI 10.1186/s12891-019-2910-8, PubMed 31679522

Stynes S, Grøvle L, Haugen AJ, Konstantinou K, Grotle M (2019)
New insight to the characteristics and clinical course of clusters of patients with imaging confirmed disc-related sciatica
Eur J Pain, 24 (1), 171-181
DOI 10.1002/ejp.1475, PubMed 31454467

Bråten LCH, Rolfsen MP, Espeland A, Wigemyr M, Aßmus J, Froholdt A, Haugen AJ, Marchand GH, Kristoffersen PM, Lutro O, Randen S, Wilhelmsen M, Winsvold BS, Kadar TI, Holmgard TE, Vigeland MD, Vetti N, Nygaard ØP, Lie BA, Hellum C, Anke A, Grotle M, Schistad EI, Skouen JS, Grøvle L et al. (2019)
Efficacy of antibiotic treatment in patients with chronic low back pain and Modic changes (the AIM study): double blind, randomised, placebo controlled, multicentre trial
BMJ, 367, l5654
DOI 10.1136/bmj.l5654, PubMed 31619437

Munk R, Storheim K, Småstuen MC, Grotle M (2019)
Measuring Productivity Costs in Patients With Musculoskeletal Disorders: Measurement Properties of the Institute for Medical Technology Assessment Productivity Cost Questionnaire
Value Health, 22 (12), 1410-1416
DOI 10.1016/j.jval.2019.07.011, PubMed 31806198

Grotle M, Småstuen MC, Fjeld O, Grøvle L, Helgeland J, Storheim K, Solberg TK, Zwart JA (2019)
Lumbar spine surgery across 15 years: trends, complications and reoperations in a longitudinal observational study from Norway
BMJ Open, 9 (8), e028743
DOI 10.1136/bmjopen-2018-028743, PubMed 31375617

Shijagurumayum Acharya R, Tveter AT, Grotle M, Khadgi B, Braekken IH, Stuge B (2019)
Pelvic floor muscle training programme in pregnant Nepalese women-a feasibility study
Int Urogynecol J (in press)
DOI 10.1007/s00192-019-04053-1, PubMed 31346671

Shijagurumayum Acharya R, Tveter AT, Grotle M, Eberhard-Gran M, Stuge B (2019)
Prevalence and severity of low back- and pelvic girdle pain in pregnant Nepalese women
BMC Pregnancy Childbirth, 19 (1), 247
DOI 10.1186/s12884-019-2398-0, PubMed 31307421

Ho KKN, Simic M, Cvancarova Småstuen M, de Barros Pinheiro M, Ferreira PH, Bakke Johnsen M, Heuch I, Grotle M, Zwart JA, Nilsen KB (2019)
The association between insomnia, c-reactive protein, and chronic low back pain: cross-sectional analysis of the HUNT study, Norway
Scand J Pain, 19 (4), 765-777
DOI 10.1515/sjpain-2019-0033, PubMed 31287802

Werner DAT, Grotle M, Gulati S, Austevoll IM, Madsbu MA, Lønne G, Solberg TK (2019)
Can a Successful Outcome After Surgery for Lumbar Disc Herniation Be Defined by the Oswestry Disability Index Raw Score?
Global Spine J, 10 (1), 47-54
DOI 10.1177/2192568219851480, PubMed 32002349

Fjeld OR, Grøvle L, Helgeland J, Småstuen MC, Solberg TK, Zwart JA, Grotle M (2019)
Complications, reoperations, readmissions, and length of hospital stay in 34 639 surgical cases of lumbar disc herniation
Bone Joint J, 101-B (4), 470-477
DOI 10.1302/0301-620X.101B4.BJJ-2018-1184.R1, PubMed 30929479

Grøvle L, Fjeld OR, Haugen AJ, Helgeland J, Småstuen MC, Solberg TK, Zwart JA, Grotle M (2019)
The Rates of LSS Surgery in Norwegian Public Hospitals: A Threefold Increase From 1999 to 2013
Spine (Phila Pa 1976), 44 (6), E372-E378
DOI 10.1097/BRS.0000000000002858, PubMed 30234811

Austevoll IM, Gjestad R, Grotle M, Solberg T, Brox JI, Hermansen E, Rekeland F, Indrekvam K, Storheim K, Hellum C (2019)
Follow-up score, change score or percentage change score for determining clinical important outcome following surgery? An observational study from the Norwegian registry for Spine surgery evaluating patient reported outcome measures in lumbar spinal stenosis and lumbar degenerative spondylolisthesis
BMC Musculoskelet Disord, 20 (1), 31
DOI 10.1186/s12891-018-2386-y, PubMed 30658613

Østerås N, Tveter AT, Garratt AM, Svinøy OE, Kjeken I, Natvig B, Grotle M, Hagen KB (2018)
Measurement properties for the revised patient-reported OsteoArthritis Quality Indicator questionnaire
Osteoarthritis Cartilage, 26 (10), 1300-1310
DOI 10.1016/j.joca.2018.06.007, PubMed 30231991

Werner EL, Løchting I, Storheim K, Grotle M (2018)
A focus group study to understand biases and confounders in a cluster randomized controlled trial on low back pain in primary care in Norway
BMC Fam Pract, 19 (1), 71
DOI 10.1186/s12875-018-0759-9, PubMed 29788920

Chiarotto A, Boers M, Deyo RA, Buchbinder R, Corbin TP, Costa LOP, Foster NE, Grotle M, Koes BW, Kovacs FM, Lin CC, Maher CG, Pearson AM, Peul WC, Schoene ML, Turk DC, van Tulder MW, Terwee CB, Ostelo RW (2018)
Core outcome measurement instruments for clinical trials in nonspecific low back pain
Pain, 159 (3), 481-495
DOI 10.1097/j.pain.0000000000001117, PubMed 29194127

Dragesund T, Strand LI, Grotle M (2018)
The Revised Body Awareness Rating Questionnaire: Development Into a Unidimensional Scale Using Rasch Analysis
Phys Ther, 98 (2), 122-132
DOI 10.1093/ptj/pzx111, PubMed 29096009

Storheim K, Espeland A, Grøvle L, Skouen JS, Aßmus J, Anke A, Froholdt A, Pedersen LM, Haugen AJ, Fors T, Schistad E, Lutro O, Marchand GH, Kadar T, Vetti N, Randen S, Nygaard ØP, Brox JI, Grotle M, Zwart JA (2017)
Antibiotic treatment In patients with chronic low back pain and Modic changes (the AIM study): study protocol for a randomised controlled trial
Trials, 18 (1), 596
DOI 10.1186/s13063-017-2306-8, PubMed 29246188

Mansell G, Storheim K, Løchting I, Werner EL, Grotle M (2017)
Identification of Indirect Effects in a Cognitive Patient Education (COPE) Intervention for Low Back Pain
Phys Ther, 97 (12), 1138-1146
DOI 10.1093/ptj/pzx091, PubMed 29186635

Stuge B, Jenssen HK, Grotle M (2017)
The Pelvic Girdle Questionnaire: Responsiveness and Minimal Important Change in Women With Pregnancy-Related Pelvic Girdle Pain, Low Back Pain, or Both
Phys Ther, 97 (11), 1103-1113
DOI 10.1093/ptj/pzx078, PubMed 29077966

Werner DAT, Grotle M, Gulati S, Austevoll IM, Lønne G, Nygaard ØP, Solberg TK (2017)
Criteria for failure and worsening after surgery for lumbar disc herniation: a multicenter observational study based on data from the Norwegian Registry for Spine Surgery
Eur Spine J, 26 (10), 2650-2659
DOI 10.1007/s00586-017-5185-5, PubMed 28616747

Fjeld O, Grotle M, Siewers V, Pedersen LM, Nilsen KB, Zwart JA (2017)
Prognostic Factors for Persistent Leg-Pain in Patients Hospitalized With Acute Sciatica
Spine (Phila Pa 1976), 42 (5), E272-E279
DOI 10.1097/BRS.0000000000001773, PubMed 28244968

Løchting I, Garratt AM, Storheim K, Werner EL, Grotle M (2017)
The impact of psychological factors on condition-specific, generic and individualized patient reported outcomes in low back pain
Health Qual Life Outcomes, 15 (1), 40
DOI 10.1186/s12955-017-0593-0, PubMed 28222741

Teig CJ, Grotle M, Bond MJ, Prinsen CAC, Engh MAE, Cvancarova MS, Kjøllesdal M, Martini A (2017)
Norwegian translation, and validation, of the Pelvic Floor Distress Inventory (PFDI-20) and the Pelvic Floor Impact Questionnaire (PFIQ-7)
Int Urogynecol J, 28 (7), 1005-1017
DOI 10.1007/s00192-016-3209-z, PubMed 28062903

Haugen AJ, Grøvle L, Brox JI, Natvig B, Grotle M (2016)
Pain-related fear and functional recovery in sciatica: results from a 2-year observational study
J Pain Res, 9, 925-931
DOI 10.2147/JPR.S115003, PubMed 27826215

Løchting I, Storheim K, Werner EL, Småstuen Cvancarova M, Grotle M (2016)
Evaluation of individualized quality of life and illness perceptions in low back pain. A patient education cluster randomized controlled trial
Patient Educ Couns, 99 (12), 1992-1998
DOI 10.1016/j.pec.2016.05.015, PubMed 27486051

Stevens ML, Lin CW, Hancock MJ, Latimer J, Buchbinder R, Grotle M, van Tulder M, New CH, Wisby-Roth T, Maher CG (2016)
TOPS: Trial Of Prevention Strategies for low back pain in patients recently recovered from low back pain-study rationale and protocol
BMJ Open, 6 (5), e011492
DOI 10.1136/bmjopen-2016-011492, PubMed 27217287

Werner EL, Storheim K, Løchting I, Wisløff T, Grotle M (2016)
Cognitive Patient Education for Low Back Pain in Primary Care: A Cluster Randomized Controlled Trial and Cost-Effectiveness Analysis
Spine (Phila Pa 1976), 41 (6), 455-62
DOI 10.1097/BRS.0000000000001268, PubMed 26966970

Uhlig T, Bjørneboe O, Krøll F, Palm Ø, Olsen IC, Grotle M (2016)
Involvement of the multidisciplinary team and outcomes in inpatient rehabilitation among patients with inflammatory rheumatic disease
BMC Musculoskelet Disord, 17, 18
DOI 10.1186/s12891-016-0870-9, PubMed 26762160

Moe RH, Grotle M, Kjeken I, Olsen IC, Mowinckel P, Haavardsholm EA, Hagen KB, Kvien TK, Uhlig T (2015)
Effectiveness of an Integrated Multidisciplinary Osteoarthritis Outpatient Program versus Outpatient Clinic as Usual: A Randomized Controlled Trial
J Rheumatol, 43 (2), 411-8
DOI 10.3899/jrheum.150157, PubMed 26669917

Chiarotto A, Deyo RA, Terwee CB, Boers M, Buchbinder R, Corbin TP, Costa LO, Foster NE, Grotle M, Koes BW, Kovacs FM, Lin CW, Maher CG, Pearson AM, Peul WC, Schoene ML, Turk DC, van Tulder MW, Ostelo RW (2015)
Core outcome domains for clinical trials in non-specific low back pain
Eur Spine J, 24 (6), 1127-42
DOI 10.1007/s00586-015-3892-3, PubMed 25841358

Kent P, Grotle M, Dunn KM, Albert HB, Lauridsen HH (2015)
Rasch analysis of the 23-item version of the Roland Morris Disability Questionnaire
J Rehabil Med, 47 (4), 356-64
DOI 10.2340/16501977-1935, PubMed 25594334

Chiarotto A, Terwee CB, Deyo RA, Boers M, Lin CW, Buchbinder R, Corbin TP, Costa LO, Foster NE, Grotle M, Koes BW, Kovacs FM, Maher CG, Pearson AM, Peul WC, Schoene ML, Turk DC, van Tulder MW, Ostelo RW (2014)
A core outcome set for clinical trials on non-specific low back pain: study protocol for the development of a core domain set
Trials, 15, 511
DOI 10.1186/1745-6215-15-511, PubMed 25540987

Engebretsen KB, Grotle M, Natvig B (2014)
Patterns of shoulder pain during a 14-year follow-up: results from a longitudinal population study in Norway
Shoulder Elbow, 7 (1), 49-59
DOI 10.1177/1758573214552007, PubMed 27582957

Løchting I, Grotle M, Storheim K, Werner EL, Garratt AM (2014)
Individualized quality of life in patients with low back pain: reliability and validity of the Patient Generated Index
J Rehabil Med, 46 (8), 781-7
DOI 10.2340/16501977-1826, PubMed 25117176

Kjeken I, Grotle M, Hagen KB, Østerås N (2014)
Development of an evidence-based exercise programme for people with hand osteoarthritis
Scand J Occup Ther, 22 (2), 103-16
DOI 10.3109/11038128.2014.941394, PubMed 25134427

Østerås N, Hagen KB, Grotle M, Sand-Svartrud AL, Mowinckel P, Kjeken I (2014)
Limited effects of exercises in people with hand osteoarthritis: results from a randomized controlled trial
Osteoarthritis Cartilage, 22 (9), 1224-33
DOI 10.1016/j.joca.2014.06.036, PubMed 25008206

Grotle M, Solberg T, Storheim K, Lærum E, Zwart JA (2014)
Public and private health service in Norway: a comparison of patient characteristics and surgery criteria for patients with nerve root affections due to discus herniation
Eur Spine J, 23 (9), 1984-91
DOI 10.1007/s00586-014-3293-z, PubMed 24898309

Østerås N, Hagen KB, Grotle M, Sand-Svartrud AL, Mowinckel P, Aas E, Kjeken I (2014)
Exercise programme with telephone follow-up for people with hand osteoarthritis - protocol for a randomised controlled trial
BMC Musculoskelet Disord, 15, 82
DOI 10.1186/1471-2474-15-82, PubMed 24629063

Grøvle L, Haugen AJ, Hasvik E, Natvig B, Brox JI, Grotle M (2014)
Patients' ratings of global perceived change during 2 years were strongly influenced by the current health status
J Clin Epidemiol, 67 (5), 508-15
DOI 10.1016/j.jclinepi.2013.12.001, PubMed 24598378

Grøvle L, Haugen AJ, Keller A, Ntvig B, Brox JI, Grotle M (2013)
Prognostic factors for return to work in patients with sciatica
Spine J, 13 (12), 1849-57
DOI 10.1016/j.spinee.2013.07.433, PubMed 24060231

Øiestad BE, Østerås N, Frobell R, Grotle M, Brøgger H, Risberg MA (2013)
Efficacy of strength and aerobic exercise on patient-reported outcomes and structural changes in patients with knee osteoarthritis: study protocol for a randomized controlled trial
BMC Musculoskelet Disord, 14, 266
DOI 10.1186/1471-2474-14-266, PubMed 24028201

Ferreira ML, Herbert RD, Ferreira PH, Latimer J, Ostelo RW, Grotle M, Barrett B (2013)
The smallest worthwhile effect of nonsteroidal anti-inflammatory drugs and physiotherapy for chronic low back pain: a benefit-harm trade-off study
J Clin Epidemiol, 66 (12), 1397-404
DOI 10.1016/j.jclinepi.2013.02.018, PubMed 24021611

Meesters J, Hagel S, Klokkerud M, Stovgaard I, Bremander A, Grotle M, Hørslev-Petersen K, Petersson IF, Hagen KB, Pont W, Vlieland TV (2013)
Goal-setting in multidisciplinary team care for patients with rheumatoid arthritis: an international multi-center evaluation of the contents using the International Classification of Functioning, Disability and Health as a reference
J Rehabil Med, 45 (9), 888-99
DOI 10.2340/16501977-1191, PubMed 23974511

Østerås N, Risberg MA, Kvien TK, Engebretsen L, Nordsletten L, Bruusgaard D, Schjervheim UB, Haugen IK, Hammer HB, Provan S, Øiestad BE, Semb AG, Rollefstad S, Hagen KB, Uhlig T, Slatkowsky-Christensen B, Kjeken I, Flugsrud G, Grotle M, Sesseng S, Edvardsen H, Natvig B (2013)
Hand, hip and knee osteoarthritis in a Norwegian population-based study--the MUST protocol
BMC Musculoskelet Disord, 14, 201
DOI 10.1186/1471-2474-14-201, PubMed 23826721

Østerås N, Garratt A, Grotle M, Natvig B, Kjeken I, Kvien TK, Hagen KB (2013)
Patient-reported quality of care for osteoarthritis: development and testing of the osteoarthritis quality indicator questionnaire
Arthritis Care Res (Hoboken), 65 (7), 1043-51
DOI 10.1002/acr.21976, PubMed 23401461

Grotle M, Wilkens P, Garratt AM, Scheel I, Storheim K (2013)
Which Roland-Morris Disability Questionnaire? Rasch analysis of four different versions tested in a Norwegian population
J Rehabil Med, 45 (7), 670-7
DOI 10.2340/16501977-1166, PubMed 23828073

Grøvle L, Haugen AJ, Natvig B, Brox JI, Grotle M (2013)
The prognosis of self-reported paresthesia and weakness in disc-related sciatica
Eur Spine J, 22 (11), 2488-95
DOI 10.1007/s00586-013-2871-9, PubMed 23771579

Grotle M, Klokkerud M, Kjeken I, Bremander A, Hagel S, Strömbeck B, Hørslev-Petersen K, Meesters J, Vlieland TP, Hagen KB (2013)
What's in the black box of arthritis rehabilitation? A comparison of rehabilitation practice for patients with inflammatory arthritis in northern Europe
J Rehabil Med, 45 (5), 458-66
DOI 10.2340/16501977-1125, PubMed 23450275

Johnsen LG, Hellum C, Nygaard OP, Storheim K, Brox JI, Rossvoll I, Leivseth G, Grotle M (2013)
Comparison of the SF6D, the EQ5D, and the oswestry disability index in patients with chronic low back pain and degenerative disc disease
BMC Musculoskelet Disord, 14, 148
DOI 10.1186/1471-2474-14-148, PubMed 23622053

Solberg T, Johnsen LG, Nygaard ØP, Grotle M (2013)
Can we define success criteria for lumbar disc surgery? : estimates for a substantial amount of improvement in core outcome measures
Acta Orthop, 84 (2), 196-201
DOI 10.3109/17453674.2013.786634, PubMed 23506164

Klokkerud M, Grotle M, Løchting I, Kjeken I, Hagen KB, Garratt AM (2013)
Psychometric properties of the Norwegian version of the patient generated index in patients with rheumatic diseases participating in rehabilitation or self-management programmes
Rheumatology (Oxford), 52 (5), 924-32
DOI 10.1093/rheumatology/kes401, PubMed 23335634

Fernandes L, Grotle M, Darre S, Nossum R, Kjeken I (2012)
Validity and responsiveness of the Measure of Activity Performance of the Hand (MAP-Hand) in patients with hand osteoarthritis
J Rehabil Med, 44 (10), 869-76
DOI 10.2340/16501977-1035, PubMed 22948123

Dagfinrud H, Storheim K, Magnussen LH, Ødegaard T, Hoftaniska I, Larsen LG, Ringstad PO, Hatlebrekke F, Grotle M (2012)
The predictive validity of the Örebro Musculoskeletal Pain Questionnaire and the clinicians' prognostic assessment following manual therapy treatment of patients with LBP and neck pain
Man Ther, 18 (2), 124-9
DOI 10.1016/j.math.2012.08.002, PubMed 23018081

Haugen AJ, Brox JI, Grøvle L, Keller A, Natvig B, Soldal D, Grotle M (2012)
Prognostic factors for non-success in patients with sciatica and disc herniation
BMC Musculoskelet Disord, 13, 183
DOI 10.1186/1471-2474-13-183, PubMed 22999108

Moe RH, Grotle M, Kjeken I, Hagen KB, Kvien TK, Uhlig T (2012)
Disease impact of hand OA compared with hip, knee and generalized disease in specialist rheumatology health care
Rheumatology (Oxford), 52 (1), 189-96
DOI 10.1093/rheumatology/kes215, PubMed 22923755

Fernandes L, Storheim K, Lochting I, Grotle M (2012)
Cross-cultural adaptation and validation of the Norwegian pain catastrophizing scale in patients with low back pain
BMC Musculoskelet Disord, 13, 111
DOI 10.1186/1471-2474-13-111, PubMed 22726668

Storheim K, Brox JI, Løchting I, Werner EL, Grotle M (2012)
Cross-cultural adaptation and validation of the Norwegian version of the Core Outcome Measures Index for low back pain
Eur Spine J, 21 (12), 2539-49
DOI 10.1007/s00586-012-2393-x, PubMed 22695701

Klokkerud M, Hagen KB, Kjeken I, Bremander A, Hørslev-Petersen K, Vlieland TV, Grotle M, STAR-ETIC collaboration (2012)
Development of a framework identifying domains and elements of importance for arthritis rehabilitation
J Rehabil Med, 44 (5), 406-13
DOI 10.2340/16501977-0961, PubMed 22549648

Skonnord T, Skjeie H, Brekke M, Grotle M, Lund I, Fetveit A (2012)
Acupuncture for acute non-specific low back pain: a protocol for a randomised, controlled multicentre intervention study in general practice--the Acuback Study
BMJ Open, 2 (3)
DOI 10.1136/bmjopen-2012-001164, PubMed 22734119

Klokkerud M, Hagen KB, Løchting I, Uhlig T, Kjeken I, Grotle M (2011)
Does the content really matter? A study comparing structure, process, and outcome of team rehabilitation for patients with inflammatory arthritis in two different clinical settings
Scand J Rheumatol, 41 (1), 20-8
DOI 10.3109/03009742.2011.601757, PubMed 22106920

Moe RH, Haavardsholm EA, Grotle M, Steen E, Kjeken I, Hagen KB, Uhlig T (2011)
Development of a brief multidisciplinary education programme for patients with osteoarthritis
BMC Musculoskelet Disord, 12, 257
DOI 10.1186/1471-2474-12-257, PubMed 22077985

Grotle M, Garratt AM, Krogstad Jenssen H, Stuge B (2011)
Reliability and construct validity of self-report questionnaires for patients with pelvic girdle pain
Phys Ther, 92 (1), 111-23
DOI 10.2522/ptj.20110076, PubMed 22016375

Grøvle L, Haugen AJ, Keller A, Natvig B, Brox JI, Grotle M (2011)
Poor agreement found between self-report and a public registry on duration of sickness absence
J Clin Epidemiol, 65 (2), 212-8
DOI 10.1016/j.jclinepi.2011.05.009, PubMed 21852072

Stuge B, Garratt A, Krogstad Jenssen H, Grotle M (2011)
The pelvic girdle questionnaire: a condition-specific instrument for assessing activity limitations and symptoms in people with pelvic girdle pain
Phys Ther, 91 (7), 1096-108
DOI 10.2522/ptj.20100357, PubMed 21596959

Haugen AJ, Grøvle L, Brox JI, Natvig B, Keller A, Soldal D, Grotle M (2011)
Estimates of success in patients with sciatica due to lumbar disc herniation depend upon outcome measure
Eur Spine J, 20 (10), 1669-75
DOI 10.1007/s00586-011-1809-3, PubMed 21516463

Grøvle L, Haugen AJ, Ihlebaek CM, Keller A, Natvig B, Brox JI, Grotle M (2011)
Comorbid subjective health complaints in patients with sciatica: a prospective study including comparison with the general population
J Psychosom Res, 70 (6), 548-56
DOI 10.1016/j.jpsychores.2010.11.008, PubMed 21624578

Grotle M, Hagen KB, Uhlig T, Aas E (2011)
Cost of illness for patients with arthritis receiving multidisciplinary rehabilitation care
Rehabil Res Pract, 2011, 487025
DOI 10.1155/2011/487025, PubMed 22110975

Thornes E, Ikonomou N, Grotle M (2011)
Prognosis of surgical treatment for degenerative lumbar spinal stenosis: a prospective cohort study of clinical outcomes and health-related quality of life across gender and age groups
Open Orthop J, 5, 372-8
DOI 10.2174/1874325001105010372, PubMed 22135713

Engebretsen K, Grotle M, Bautz-Holter E, Ekeberg OM, Juel NG, Brox JI (2010)
Supervised exercises compared with radial extracorporeal shock-wave therapy for subacromial shoulder pain: 1-year results of a single-blind randomized controlled trial
Phys Ther, 91 (1), 37-47
DOI 10.2522/ptj.20090338, PubMed 21088117

Natvig B, Ihlebæk C, Grotle M, Brage S, Bruusgaard D (2010)
Neck pain is often a part of widespread pain and is associated with reduced functioning
Spine (Phila Pa 1976), 35 (23), E1285-9
DOI 10.1097/BRS.0b013e3181e38e73, PubMed 20938391

Moe RH, Uhlig T, Kjeken I, Hagen KB, Kvien TK, Grotle M (2010)
Multidisciplinary and multifaceted outpatient management of patients with osteoarthritis: protocol for a randomised, controlled trial
BMC Musculoskelet Disord, 11, 253
DOI 10.1186/1471-2474-11-253, PubMed 21040556

Grotle M, Foster NE, Dunn KM, Croft P (2010)
Are prognostic indicators for poor outcome different for acute and chronic low back pain consulters in primary care?
Pain, 151 (3), 790-7
DOI 10.1016/j.pain.2010.09.014, PubMed 20932646

Engebretsen K, Grotle M, Bautz-Holter E, Ekeberg OM, Brox JI (2010)
Predictors of shoulder pain and disability index (SPADI) and work status after 1 year in patients with subacromial shoulder pain
BMC Musculoskelet Disord, 11, 218
DOI 10.1186/1471-2474-11-218, PubMed 20863369

Paulsen T, Grotle M, Garratt A, Kjeken I (2010)
Development and psychometric testing of the patient-reported measure of activity performance of the hand (MAP-Hand) in rheumatoid arthritis
J Rehabil Med, 42 (7), 636-44
DOI 10.2340/16501977-0577, PubMed 20603693

Engebretsen K, Grotle M, Bautz-Holter E, Ekeberg OM, Brox JI (2010)
Determinants of the shoulder pain and disability index in patients with subacromial shoulder pain
J Rehabil Med, 42 (5), 499-505
DOI 10.2340/16501977-0548, PubMed 20544164

Werner EL, Storheim K, Løchting I, Grotle M (2010)
The COPE LBP trial: cognitive patient education for low back pain--a cluster randomized controlled trial in primary care
BMC Musculoskelet Disord, 11, 33
DOI 10.1186/1471-2474-11-33, PubMed 20158897

Grotle M, Garratt AM, Klokkerud M, Løchting I, Uhlig T, Hagen KB (2010)
What's in team rehabilitation care after arthroplasty for osteoarthritis? Results from a multicenter, longitudinal study assessing structure, process, and outcome
Phys Ther, 90 (1), 121-31
DOI 10.2522/ptj.20080295, PubMed 20045807

Maher CG, Grotle M (2009)
Evaluation of the predictive validity of the Orebro Musculoskeletal Pain Screening Questionnaire
Clin J Pain, 25 (8), 666-70
DOI 10.1097/AJP.0b013e3181a08732, PubMed 19920715

Engebretsen K, Grotle M, Bautz-Holter E, Sandvik L, Juel NG, Ekeberg OM, Brox JI (2009)
Radial extracorporeal shockwave treatment compared with supervised exercises in patients with subacromial pain syndrome: single blind randomised study
BMJ, 339, b3360
DOI 10.1136/bmj.b3360, PubMed 19755551

Hagen KB, Smedslund G, Moe RH, Grotle M, Kjeken I, Kvien TK (2009)
The evidence for non-pharmacological therapy of hand and hip OA
Nat Rev Rheumatol, 5 (9), 517-9
DOI 10.1038/nrrheum.2009.158, PubMed 19710674

Grøvle L, Haugen AJ, Keller A, Natvig B, Brox JI, Grotle M (2009)
The bothersomeness of sciatica: patients' self-report of paresthesia, weakness and leg pain
Eur Spine J, 19 (2), 263-9
DOI 10.1007/s00586-009-1042-5, PubMed 19488793

Grotle M, Garratt A, Løchting I, Kjeken I, Klokkerud M, Uhlig T, Hagen KB (2009)
Development of the rehabilitation patient experiences questionnaire: data quality, reliability and validity in patients with rheumatic diseases
J Rehabil Med, 41 (7), 576-81
DOI 10.2340/16501977-0375, PubMed 19543670

Løchting I, Garratt AM, Kjeken I, Klokkerud M, Hagen KB, Grotle M (2009)
Patient experiences of rehabilitation in rheumatology: association with process and outcome
Scand J Rheumatol, 38 (5), 357-61
DOI 10.1080/03009740902971213, PubMed 19585381

Grotle M, Hagen KB, Natvig B, Dahl FA, Kvien TK (2008)
Obesity and osteoarthritis in knee, hip and/or hand: an epidemiological study in the general population with 10 years follow-up
BMC Musculoskelet Disord, 9, 132
DOI 10.1186/1471-2474-9-132, PubMed 18831740

Grøvle L, Haugen AJ, Keller A, Natvig B, Brox JI, Grotle M (2008)
Reliability, validity, and responsiveness of the Norwegian versions of the Maine-Seattle Back Questionnaire and the Sciatica Bothersomeness and Frequency Indices
Spine (Phila Pa 1976), 33 (21), 2347-53
DOI 10.1097/BRS.0b013e31818047d6, PubMed 18827701

Haugen AJ, Grøvle L, Keller A, Grotle M (2008)
Cross-cultural adaptation and validation of the Norwegian version of the Tampa scale for kinesiophobia
Spine (Phila Pa 1976), 33 (17), E595-601
DOI 10.1097/BRS.0b013e31817c6c4b, PubMed 18670327

Frihagen F, Grotle M, Madsen JE, Wyller TB, Mowinckel P, Nordsletten L (2008)
Outcome after femoral neck fractures: a comparison of Harris Hip Score, Eq-5d and Barthel Index
Injury, 39 (10), 1147-56
DOI 10.1016/j.injury.2008.03.027, PubMed 18656868

Grotle M, Hagen KB, Natvig B, Dahl FA, Kvien TK (2008)
Prevalence and burden of osteoarthritis: results from a population survey in Norway
J Rheumatol, 35 (4), 677-84
PubMed 18278832

Thornes E, Grotle M (2008)
Cross-cultural adaptation of the Norwegian version of the spinal stenosis measure
Eur Spine J, 17 (3), 456-462
DOI 10.1007/s00586-007-0576-7, PubMed 18193302

Dahl FA, Grotle M, Saltyte Benth J, Natvig B (2008)
Data splitting as a countermeasure against hypothesis fishing: with a case study of predictors for low back pain
Eur J Epidemiol, 23 (4), 237-42
DOI 10.1007/s10654-008-9230-x, PubMed 18288577

Aas RW, Grotle M (2007)
Clients using community occupational therapy services: sociodemographic factors and the occurrence of diseases and disabilities
Scand J Occup Ther, 14 (3), 150-9
DOI 10.1080/11038120600968811, PubMed 17763197

Grotle M, Brox JI, Vøllestad NK (2006)
Reliability, validity and responsiveness of the fear-avoidance beliefs questionnaire: methodological aspects of the Norwegian version
J Rehabil Med, 38 (6), 346-53
DOI 10.1080/16501970600722403, PubMed 17067967

Grotle M, Vøllestad NK, Brox JI (2006)
Screening for yellow flags in first-time acute low back pain: reliability and validity of a Norwegian version of the Acute Low Back Pain Screening Questionnaire
Clin J Pain, 22 (5), 458-67
DOI 10.1097/01.ajp.0000208243.33498.cb, PubMed 16772801

Grotle M, Brox JI, Glomsrød B, Lønn JH, Vøllestad NK (2006)
Prognostic factors in first-time care seekers due to acute low back pain
Eur J Pain, 11 (3), 290-8
DOI 10.1016/j.ejpain.2006.03.004, PubMed 16677837

Grotle M, Vøllestad NK, Brox JI (2006)
Clinical course and impact of fear-avoidance beliefs in low back pain: prospective cohort study of acute and chronic low back pain: II
Spine (Phila Pa 1976), 31 (9), 1038-46
DOI 10.1097/01.brs.0000214878.01709.0e, PubMed 16641782

Grotle M, Brox JI, Veierød MB, Glomsrød B, Lønn JH, Vøllestad NK (2005)
Clinical course and prognostic factors in acute low back pain: patients consulting primary care for the first time
Spine (Phila Pa 1976), 30 (8), 976-82
DOI 10.1097/01.brs.0000158972.34102.6f, PubMed 15834343

Grotle M, Vøllestad NK, Veierød MB, Brox JI (2004)
Fear-avoidance beliefs and distress in relation to disability in acute and chronic low back pain
Pain, 112 (3), 343-52
DOI 10.1016/j.pain.2004.09.020, PubMed 15561390

Grotle M, Brox JI, Vøllestad NK (2004)
Concurrent comparison of responsiveness in pain and functional status measurements used for patients with low back pain
Spine (Phila Pa 1976), 29 (21), E492-501
DOI 10.1097/01.brs.0000143664.02702.0b, PubMed 15507789

Grotle M, Brox JI, Vøllestad NK (2003)
Cross-cultural adaptation of the Norwegian versions of the Roland-Morris Disability Questionnaire and the Oswestry Disability Index
J Rehabil Med, 35 (5), 241-7
DOI 10.1080/16501970306094, PubMed 14582557

Review articles

Øiestad BE, Hilde G, Tveter AT, Peat GG, Thomas MJ, Dunn KM, Grotle M (2019)
Risk factors for episodes of back pain in emerging adults. A systematic review
Eur J Pain, 24 (1), 19-38
DOI 10.1002/ejp.1474, PubMed 31433541

Hagen KB, Dagfinrud H, Moe RH, Østerås N, Kjeken I, Grotle M, Smedslund G (2012)
Exercise therapy for bone and muscle health: an overview of systematic reviews
BMC Med, 10, 167
DOI 10.1186/1741-7015-10-167, PubMed 23253613

Brox JI, Storheim K, Grotle M, Tveito TH, Indahl A, Eriksen HR (2008)
Evidence-informed management of chronic low back pain with back schools, brief education, and fear-avoidance training
Spine J, 8 (1), 28-39
DOI 10.1016/j.spinee.2007.10.008, PubMed 18164451

Brox JI, Storheim K, Grotle M, Tveito TH, Indahl A, Eriksen HR (2007)
Systematic review of back schools, brief education, and fear-avoidance training for chronic low back pain
Spine J, 8 (6), 948-58
DOI 10.1016/j.spinee.2007.07.389, PubMed 18024224

Other articles

Vigdal ØN, Grotle M, Hagen KB (2018)
Critically appraised paper: Workplace physical exercise reduces musculoskeletal pain among healthcare workers more than home-based exercise [synopsis]
J Physiother, 64 (4), 265
DOI 10.1016/j.jphys.2018.06.003, PubMed 30190217

Hagen KB, Grotle M (2018)
Critically Appraised Papers: Moderate-intensity walking for people with severe knee osteoarthritis does not decrease pain but may have cardiovascular benefits [synopsis]
J Physiother, 64 (2), 123
DOI 10.1016/j.jphys.2018.02.001, PubMed 29530716

Grotle M, Hagen KB (2017)
Yoga classes may be an alternative to physiotherapy for people with chronic nonspecific low back pain [synopsis]
J Physiother, 64 (1), 57
DOI 10.1016/j.jphys.2017.11.001, PubMed 29289586

Hagen KB, Grotle M (2017)
Internet-delivered physiotherapist-prescribed exercise and pain-coping skills training is beneficial for people with chronic knee pain [synopsis]
J Physiother, 63 (4), 260
DOI 10.1016/j.jphys.2017.07.009, PubMed 28889948

Grotle M, Hagen KB (2017)
Placebo pills provided without deception may help to reduce pain and disability in people with chronic low back pain [synopsis]
J Physiother, 63 (3), 183
DOI 10.1016/j.jphys.2017.05.002, PubMed 28641895

Hagen KB, Grotle M (2017)
Similar benefits from Tai Chi and supervised physiotherapy for knee osteoarthritis [synopsis]
J Physiother, 63 (2), 116
DOI 10.1016/j.jphys.2017.02.005, PubMed 28314649

Grotle M, Hagen KB (2016)
Exercise therapy may be as effective as arthroscopic partial meniscectomy in treating degenerative meniscal tears [synopsis]
J Physiother, 63 (1), 52
DOI 10.1016/j.jphys.2016.10.009, PubMed 27964960

Hagen KB, Grotle M (2016)
Pulsed electromagnetic fields can reduce pain in the short term in patients with knee osteoarthritis [synopsis]
J Physiother, 62 (3), 168
DOI 10.1016/j.jphys.2016.05.006, PubMed 27298052

Grotle M, Hagen KB (2016)
A supervised exercise program may not add any benefit over advice for patients recovering from ankle fracture
J Physiother, 62 (2), 114; discussion 114
DOI 10.1016/j.jphys.2016.01.002, PubMed 26996094

Hagen KB, Grotle M (2015)
No differences between physiotherapy and decompression surgery for patients considered surgical candidates for lumbar spinal stenosis [synopsis]
J Physiother, 62 (1), 49
DOI 10.1016/j.jphys.2015.09.003, PubMed 26701158

Chiarotto A, Deyo RA, Terwee CB, Boers M, Buchbinder R, Corbin TP, Costa LO, Foster NE, Grotle M, Koes BW, Kovacs FM, Lin CW, Maher CG, Pearson AM, Peul WC, Schoene ML, Turk DC, van Tulder MW, Ostelo RW (2015)
Erratum to: Core outcome domains for clinical trials in non-specific low back pain
Eur Spine J, 24 (9), 2097
DOI 10.1007/s00586-015-3984-0, PubMed 25953528

Grotle M, Birger Hagen K (2014)
Surgery for cervical radiculopathy followed by physiotherapy may resolve symptoms faster than physiotherapy alone, but with few differences at two years
J Physiother, 60 (2), 109
DOI 10.1016/j.jphys.2014.05.009, PubMed 24952840

Grotle M (2011)
Traditional Chinese acupuncture was not superior to sham acupuncture for knee osteoarthritis but delivering treatment with high expectations of improvement was superior to delivering treatment with neutral expectations
J Physiother, 57 (1), 56
DOI 10.1016/S1836-9553(11)70009-1, PubMed 21402332

Grotle M, Croft P (2010)
More pain, less gain
Occup Environ Med, 67 (7), 434-5
DOI 10.1136/oem.2009.053223, PubMed 20581258

Storheim K, Grotle M (2007)
Combination of exercise and advice was slightly better than placebo for subacute low back pain
Aust J Physiother, 53 (4), 286
DOI 10.1016/s0004-9514(07)70012-0, PubMed 18246633

Grotle M, Brox JI, Vollestad NK (2005)
To the editor - In response
SPINE, 30 (11), 1342

Theses

Grotle M (2004)
Clinical course and prognostic factors in patients with low back pain and disability: a methodological and clinical study
In Series of dissertations submitted to the Faculty of Medicine, University of Oslo, Unipub, Oslo, no. 236, 1 b. (flere pag.)
BIBSYS 050029827, ISBN 82-8080-102-2