Does spinal manipulative therapy help people with chronic low back pain?

Assendelft, 1996, The effectiveness of chiropractic for treatment of low back pain: an update and attempt at statistical pooling, Journal of Manipulative and Physiological Therapeutics, 19, 499 Bronfort, 1996, Trunk exercise combined with spinal manipulative or NSAID therapy for chronic low back pain: a randomised, observer-blinded clinical trial, Journal of Manipulative and Physiological Therapeutics, 19, 570 Evans, 1978, Lumbar spinal manipulation on trial. Part I - clinical assessment, Rheumatology and Rehabilitation, 17, 46, 10.1093/rheumatology/17.1.46 Farrar, 2001, Clinical importance of changes in chronic pain intensity measured on an 11-point numerical pain rating scale, Pain, 94, 149, 10.1016/S0304-3959(01)00349-9 Ferreira, 2002, Effect of applying different “levels of evidence” criteria on conclusions of Cochrane reviews of interventions for low back pain, Journal of Clinical Epidemiology, 55, 1111, 10.1016/S0895-4356(02)00498-5 Fleiss, 1993, The statistical basis of meta-analysis, Statistical Methods in Medical Research, 2, 121, 10.1177/096228029300200202 Furlan, 2001, A critical review of reviews on the treatment of chronic low back pain, Spine, 26, E155, 10.1097/00007632-200104010-00018 Gibson, 1985, Controlled comparison of short-wave diathermy treatment with osteopathic treatment in non-specific low back pain, Lancet, 1, 1258, 10.1016/S0140-6736(85)92323-2 Giles, 1999, Chronic spinal pain syndromes: a clinical pilot trial comparing acupuncture, a non-steroidal anti-inflammatory drug, and spinal manipulation, Journal of Manipulative and Physiological Therapeutics, 22, 376, 10.1016/S0161-4754(99)70082-5 Green S, Deeks J and Savio F (2001): Meta-analysis of continuous data: does the end justify the mean? Proceedings of the 9th International Cochrane Colloquium, Oct 9–13; Lyon, France. Hedges, 1980, Vote-counting methods in research synthesis, Psychological Bulletin, 88, 359, 10.1037/0033-2909.88.2.359 Herbert, 2000, How to estimate treatment effects from reports of clinical trials: I: continuous outcomes, Australian Journal of Physiotherapy, 46, 229, 10.1016/S0004-9514(14)60334-2 Hunter, 1990, Methods of integrating findings across studies, 468 Koes, 1996, Spinal manipulation for low back pain - an updated systematic review of randomised clinical trials, Spine, 21, 2860, 10.1097/00007632-199612150-00013 Koes, 1992, A randomised clinical trial of manual therapy and physiotherapy for persistent back and neck complaints: results of one-year follow-up, BMJ, 304, 601, 10.1136/bmj.304.6827.601 Koes, 1992, A blinded randomised clinical trial of manual therapy and physiotherapy for persistent back and neck complaints: physical outcome measures, Journal of Manipulative and Physiological Therapeutics, 15, 16 Koes, 1992, The effectiveness of manual therapy, physiotherapy, and treatment by the general practitioner for non-specific back and neck complaints, Spine, 17, 28, 10.1097/00007632-199201000-00005 Koes, 1993, A randomised clinical trial of manual therapy and physiotherapy for persistent back and neck complaints: subgroup analysis and relationship between outcome measures, Journal of Manipulative and Physiological Therapeutics, 16, 211 Luoto, 1996, Psychomotor speed and postural control in chronic low back pain patients, Spine, 21, 2621, 10.1097/00007632-199611150-00012 Luoto, 1999, Mechanisms explaining the association between low back trouble and deficits in information processing, Spine, 24, 255, 10.1097/00007632-199902010-00011 Miedema, 1998, Chronicity of back problems during working life, Spine, 23, 2021, 10.1097/00007632-199809150-00020 Moher, 1998, Does quality of reports of randomized trials affect estimates of intervention efficacy reported in meta-analyses?, Lancet, 352, 609, 10.1016/S0140-6736(98)01085-X Moseley, 2002, Evidence for physiotherapy practice: A survey of the Physiotherapy Evidence Database (PEDro), Australian Journal of Physiotherapy, 48, 43, 10.1016/S0004-9514(14)60281-6 Oxman, 1994, Preparing and maintaining systematic reviews Postacchini, 1988, Efficacy of various forms of conservative treatment in low back pain. A comparative study, Neuro-Orthopedics, 61, 28 Rupert, 1985, Chiropractic adjustments: results of a controlled clinical trial in Egypt, ICA International Review of Chiropractic, 58 Triano, 1995, Manipulative therapy versus education programs in chronic low back pain, Spine, 20, 948, 10.1097/00007632-199504150-00013 Van Tulder, 1997, Conservative treatment of acute and chronic non-specific low back pain, Spine, 22, 2128, 10.1097/00007632-199709150-00012 Van Tulder, 1997, Method guidelines for systematic reviews in the Cochrane Collaboration back review group for spinal disorders, Spine, 22, 2323, 10.1097/00007632-199710150-00001 Van Tulder, 2001 Van Tulder, 2001 Van Tulder, 2001 Verhagen, 1998, The Delphi list: a criteria list for quality assessment of randomised clinical trials for conducting systematic reviews developed by Delphi consensus, Journal of Clinical Epidemiology, 51, 1235, 10.1016/S0895-4356(98)00131-0 Waagen, 1986, Short-term trial of chiropractic adjustments for the relief of chronic low back pain, Manual Medicine, 2, 63 Waddell, 1998, 103