Value in health : the journal of the International Society for Pharmacoeconomics and Outcomes Research
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To assess the cost-effectiveness of early primary total hip replacement (THR) for functionally independent older adult patients with osteoarthritis (OA) versus 1) nonsurgical therapy followed by THR once the patient has progressed to a functionally dependent state ("delayed THR") and 2) nonsurgical therapy alone ('medical therapy'), from the Italian National Health Service perspective. ⋯ THR is cost-effective. Patients' HRQOL benefits forgone with delayed THR are worth more than the costs it saves to the Italian National Health Service. This analysis might help to explain women's consistently lower HRQOL by the time of primary operation.