The problem of 'noise' in monitoring patient-based outcomes: generic, disease-specific and site-specific instruments for total hip replacement.
OBJECTIVES: To compare the performance of three types of patient-based health status instrument--generic, disease-specific and site-specific--in assessing changes resulting from total hip replacement (THR). METHODS: A two-stage prospective study of patients undergoing surgery for THR involving an assessment at a pre-surgical clinic and a follow-up clinic at 6 months. 173 patients with a diagnosis of arthritis and being admitted for unilateral THR were recruited in the outpatient departments ...Expand abstract
- Journal of health services research and policy
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