Bart Willem Koes

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STUDY DESIGN An international group of back pain researchers considered recommendations for standardized measures in clinical outcomes research in patients with back pain. OBJECTIVES To promote more standardization of outcome measurement in clinical trials and other types of outcomes research, including meta-analyses, cost-effectiveness analyses, and(More)
In this study we estimated the costs of back pain to society in The Netherlands in 1991 to be 1.7% of the GNP. The results also show that musculoskeletal diseases are the fifth most expensive disease category regarding hospital care, and the most expensive regarding work absenteeism and disablement. One-third of the hospital care costs and one-half of the(More)
STUDY DESIGN Descriptive study. OBJECTIVES To compare national clinical guidelines on low back pain. SUMMARY OF BACKGROUND DATA To rationalize the management of low back pain, clinical guidelines have been issued in various countries around the world. Given that the available scientific evidence is the same, irrespective of the country, one would expect(More)
Neck pain occurs frequently in western societies. In the majority of cases, no specific cause can be identified. In order to gain insight into the clinical course and prognostic factors of non-specific neck pain, a systematic review was conducted. A computerized literature search was carried out to identify observational studies on non-specific neck pain(More)
The purpose of this study was to present a systematic overview of published reports on the incidence and associated potential risk factors of lower extremity running injuries in long distance runners. An electronic database search was conducted using the PubMed-Medline database. Two observers independently assessed the quality of the studies and a best(More)
STUDY DESIGN A cross-sectional analysis was performed in a group of women meeting strict criteria for posterior pelvic pain since pregnancy (PPPP). The scores on the Active Straight Leg Raise Test (ASLR test) were compared with the scores of healthy controls. OBJECTIVES To develop a new diagnostic instrument for use in patients with PPPP. The objectives(More)
BACKGROUND Exercise therapy is widely used as an intervention in low-back pain. OBJECTIVES To evaluate the effectiveness of exercise therapy in adult non-specific acute, subacute and chronic low-back pain versus no treatment and other conservative treatments. SEARCH STRATEGY The Cochrane Central Register of Controlled Trials (Issue 3, 2004), MEDLINE,(More)
BACKGROUND Exercise therapy is widely used as an intervention in low back pain. OBJECTIVE To evaluate the effectiveness of exercise therapy in adult nonspecific acute, subacute, and chronic low back pain versus no treatment and other conservative treatments. DATA SOURCES MEDLINE, EMBASE, PsychInfo, CINAHL, and Cochrane Library databases to October 2004;(More)