References
- Ware JE, Sherbourne CD. The MOS 36-item short-form health survey (SF-36): conceptual framework and item selection. Med Care 1992; 30: 473–83.
- Roland MO, Morris R. A study of the natural history of back pain. Part 1: development of a reliable and sensitive measure of disability in low back pain. Spine 1983; 8: 141–3.
- Bellamy N. WOMAC osteoarthritis index. A user's guide London, Ontario: London Health Services Centre, McMaster University; 1996.
- Kazis LE, Anderson JJ, Meenan RF. Effect sizes for interpreting changes in health status. Med Care 1989; 27: S178–89.
- Yelland M. Minimum clinically important changes in disability in a prospective case series with chronic thoracic and lumbar spinal pain. Int Musculoskel Med 2011; 33250–4.
- Pocock SJ. Clinical trials. Chichester: Wiley; 1984.
- Bombardier 2000. Outcome assessment in the evaluation of treatment of spinal disorders. Spine 2000; 25: 3100–3.
- Ostelo RW, Deyo RA, Stratford P, Waddell G, Croft P, von Korff M, et al.. Interpreting change scores for pain and functional status in low back pain: towards international consensus regarding minimal important change. Spine 2008; 33: 90–4.
- UK BEAM Trial Team. UK Back pain exercise and manipulation (UK BEAM) randomised trial: effectiveness of physical treatments for back pain in primary care. BMJ 2004; 329: 1377
- Williams NH, Wilkinson C, Russell I, Edwards RT, Hibbs R, Linck P, et al.. Randomized Osteopathic Manipulation Study (ROMANS): pragmatic trial for spinal pain in primary care. Fam Pract 2003; 20: 662–9.
- National Collaboration Centre for Chronic Conditions. National clinical guideline for the care and management of osteoarthritis in adults. London: Royal College of Physicians; 2008.
- Zhang W, Jones A, Doherty M. Does paracetamol (acetaminophen) reduce the pain of osteoarthritis? A meta-analysis of randomised controlled trials. Ann Rheum Dis 2004; 63: 901–7.