Efficacy of patient education and supervised exercise vs patient education alone in patients with hip osteoarthritis: A single blind randomized clinical trial

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Abstract

Objective: To compare the efficacy of patient education and supervised exercise with that of patient education alone for the management of pain in patients with hip osteoarthritis (OA). Design: Single blind randomized clinical trial. Setting: Recruitment of patients from hospitals, primary health care and advertisement, Oslo, Norway. Participants: 109 patients with radiographic and symptomatic hip OA with mild to moderate symptoms. Interventions: Patient education (PE). Patient education and supervised exercise (PE. +. SE). Primary outcome measure: The pain subscale of the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC pain). Results: No significant between group differences were found for WOMAC pain over the 16-month follow-up. Significant improvements were found for the secondary outcome WOMAC physical function (P= 0.011) in the group receiving PE. +. SE compared to the group receiving PE only. No significant differences were found for WOMAC stiffness, the SF-36 subscales or the activity scale. The effect sizes (95% confidence interval) for WOMAC pain were -0.26 (0.11, -0.64), -0.35 (0.07, -0.77), and -0.30 (0.15, -0.75), and for WOMAC physical function -0.29 (0.09, -0.67), -0.48 (-0.06, -0.91), and -0.47 (-0.02, -0.93) at 4, 10 and 16 months, respectively, in favor of the group receiving both PE and SE. All patients attended the three-session PE program, and 75% performed ≥16 sessions of the 12-week SE program. Conclusion: The study could not demonstrate a significant difference in pain reduction over time between PE. +. SE vs PE alone. Adding SE to PE may improve physical function, but the magnitude of possible benefit is unknown as the 95% confidence intervals around the mean difference were wide. Trial registration: Clinical Trials NCT00319423. © 2010 Osteoarthritis Research Society International.

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Fernandes, L., Storheim, K., Sandvik, L., Nordsletten, L., & Risberg, M. A. (2010). Efficacy of patient education and supervised exercise vs patient education alone in patients with hip osteoarthritis: A single blind randomized clinical trial. Osteoarthritis and Cartilage, 18(10), 1237–1243. https://doi.org/10.1016/j.joca.2010.05.015

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