Meucci, R. D., Fassa, A. G., & Faria, N. M. X. (2015). Prevalence of chronic low back pain: systematic review. Revista de Saúde Pública, 49, S0034–89102015000100408.
Freburger, J. K., Holmes, G. M., Agans, R. P., et al. (2009). The rising prevalence of chronic low back pain. Archives of Internal Medicine, 169(3), 251–258.
Loisel, P., Lemaire, J., Poitras, S. P., et al. (2002). Cost-benefit and cost-effectiveness analysis of a disability prevention model for back pain management: a six year follow up study. Occupational and Environmental Medicine, 59(12), 807–815.
Melloh, M., Roder, C., Elfering, A., et al. (2008). Differences across health care systems in outcome and cost-utility of surgical and conservative treatment of chronic low back pain: a study protocol. BMC Musculoskeletal Disorders, 9(1), 81.
Police, R., Zhao, Y., Russell, M., & Foster, T. (2009). A systematic review of the burden, epidemiology, costs and treatment of chronic low back pain. The Journal of Pain, 10(4), S5.
Roland, M., & Morris, R. (1983). A study of the natural history of back pain: part I: development of a reliable and sensitive measure of disability in low-back pain. Spine (Phila Pa 1976), 8(2), 141–144.
Albert, H. B., Sorensen, J. S., Christensen, B. S., & Manniche, C. (2013). Antibiotic treatment in patients with chronic low back pain and vertebral bone edema (Modic type 1 changes): a double-blind randomized clinical controlled trial of efficacy. European Spine Journal, 22(4), 697–707.
Imamura, T. (2015). Significant efficacy of tramadol/acetaminophen in elderly patients with chronic low back pain uncontrolled by NSAIDs: An observational study. The Open Orthopaedics Journal, 9, 120–125.
Katz, N., Borenstein, D. G., Birbara, C., et al. (2011). Efficacy and safety of tanezumab in the treatment of chronic low back pain. Pain., 152(10), 2248–2258.
Pallay, R. M., Seger, W., Adler, J. L., et al. (2004). Etoricoxib reduced pain and disability and improved quality of life in patients with chronic low back pain: a 3 month, randomized, controlled trial. Scandinavian Journal of Rheumatology, 33(4), 257–266.
Skljarevski, V., Ossanna, M., Liu-Seifert, H., et al. (2009). A double-blind, randomized trial of duloxetine versus placebo in the management of chronic low back pain. European Journal of Neurology, 16(9), 1041–1048.
Skljarevski, V., Zhang, S., Desaiah, D., et al. (2010). Duloxetine versus placebo in patients with chronic low back pain: A 12-week, fixed-dose, randomized, double-blind trial. The Journal of Pain, 11(12), 1282–1290.
Skljarevski, V., Desaiah, D., Liu-Seifert, H., et al. (2010). Efficacy and safety of duloxetine in patients with chronic low back pain. Spine., 35(13), E578–E585.
Taguchi, T., Igarashi, A., Watt, S., et al. (2015). Effectiveness of pregabalin for the treatment of chronic low back pain with accompanying lower limb pain (neuropathic component): a non-interventional study in Japan. Journal of Pain Research, 8, 487.
Chiarotto, A., Maxwell, L., Terwee, C., Wells, G., Tugwell, P., & Ostelo, R. (2016). Roland-Morris disability questionnaire and Oswestry disability index: which has better measurement properties for measuring physical functioning in nonspecific low back pain? Systematic review and meta-analysis. Physical Therapy, 96, 1620–1637.
Dworkin, R. H., Turk, D. C., Farrar, J. T., et al. (2005). Core outcome measures for chronic pain clinical trials: IMMPACT recommendations. Pain., 113(1–2), 9–19.
Davidson, M., & Keating, J. L. (2002). A comparison of five low back disability questionnaires: reliability and responsiveness. Physical Therapy, 82(1), 8–24.
Dunn, K. M., Jordan, K., & Croft, P. R. (2003). Does questionnaire structure influence response in postal surveys? Journal of Clinical Epidemiology, 56(1), 10–16.
Ostelo, R. W., de Vet, H. C., Knol, D. L., & van den Brandt, P. A. (2004). 24-item Roland-Morris disability questionnaire was preferred out of six functional status questionnaires for post-lumbar disc surgery. Journal of Clinical Epidemiology, 57(3), 268–276.
Stratford, P. W., & Binkley, J. M. (2000). A comparison study of the back pain functional scale and Roland Morris questionnaire. North American Orthopaedic rehabilitation research network. The Journal of Rheumatology, 27(8), 1928–1936.
Davidson, M. (2009). Rasch analysis of 24-, 18-and 11-item versions of the Roland-Morris disability questionnaire. Quality of Life Research, 18(4), 473–481.
Turner, J. A., Fulton-Kehoe, D., Franklin, G., Wickizer, T. M., & Wu, R. (2003). Comparison of the Roland-Morris disability questionnaire and generic health status measures: A population-based study of workers' compensation back injury claimants. Spine., 28(10), 1061–1067.
Ekedahl, K. H., Jonsson, B., & Frobell, R. B. (2010). Validity of the fingertip-to-floor test and straight leg raising test in patients with acute and subacute low back pain: a comparison by sex and radicular pain. Archives of Physical Medicine and Rehabilitation, 91(8), 1243–1247.
Strand, L. I., Anderson, B., Lygren, H., Skouen, J. S., Ostelo, R., & Magnussen, L. H. (2011). Responsiveness to change of 10 physical tests used for patients with back pain. Physical Therapy, 91(3), 404–415.
Food, U. S., & Administration, D. (2009). Guidance for industry: patient-reported outcome measures: use in medical product development to support labeling claims. Federal Register, 74(235), 65132–65133.
Rothman, M., Burke, L., Erickson, P., Leidy, N., Patrick, D., & Petrie, C. (2009). Use of existing patient-reported outcome (PRO) instruments and their modification: The ISPOR good research practices for evaluating and documenting content validity for the use of existing instruments and their modification PRO task force report. Value in Health, 12(8), 1075–1083.
Papadopoulos, E., Bush, E., Eremenco, S., & Coons, S. (2020). Why reinvent the wheel? Use or modification of existing clinical outcome assessment tools in medical product development. Value in Health, 23(2), 151–153.
Abraham, L., Gater, A., Tolley, C., Panter, C., O'Donohoe, P., & Sully, P. (2017). Incorporating usability and feasibility testing of electronic patient-reported outcome measures as part of clinical trial development: an example from chronic pain trials. In Poster presented at 24th Annual Conference of the International Society for Qualityof Life Research.
Patrick, D., Burke, L., Gwaltney, C., et al. (2011). Content validity establishing and reporting the evidence in newly developed patient-reported outcomes (PRO) instruments for medical product evaluation: ISPOR PRO good research practices task force report: Part 1- eliciting concepts for a new PRO instrument. Value in Health, 14(8), 967–977.
Association WM (2001). World Medical Association Declaration of Helsinki. Ethical principles for medical research involving human subjects. Bulletin of the World Health Organization, 79(4), 373.
Braun, V., & Clarke, V. (2006). Using thematic analysis in psychology. Qualitative Research in Psychology, 3(2), 77–101.
Stratford, P. W., Binkley, J., Solomon, P., Gill, C., & Finch, E. (1994). Assessing change over time in patients with low back pain. Physical Therapy, 74(6), 528–533.