RT Journal Article
SR Electronic
T1 Greater Perceived Helplessness in Osteoarthritis Predicts Outcome of Joint Replacement Surgery
JF The Journal of Rheumatology
JO J Rheumatol
FD The Journal of Rheumatology
SP jrheum.080466
DO 10.3899/jrheum.080466
A1 Rajiv Gandhi
A1 Fahad Razak
A1 Peggy Tso
A1 J. Roderick Davey
A1 Nizar N. Mahomed
YR 2009
UL http://www.jrheum.org/content/early/2009/05/27/jrheum.080466.abstract
AB Objective To determine if there is a difference between male and female patients in their perceived control of osteoarthritis (OA) symptoms at the time of joint replacement surgery, as measured by the Arthritis Helplessness Index (AHI), and how this helplessness affects surgical outcomes at 1 year. Methods From a joint replacement registry, 70 male and 70 female patients were randomly selected and matched for age, body mass index, comorbidity, procedure, and education. Patients completed the AHI prior to surgery. Functional status was assessed at baseline and 1-year followup with the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score. Linear regression modeling was used to determine the effect of sex on predicting AHI scores. A second model was constructed to examine the effect of AHI on the 1-year WOMAC change score. Results There were no statistically significant differences in demographic data or clinically significant differences in AHI scores between sexes. Linear regression modeling showed that female sex was a significant predictor of a greater AHI score prior to surgery (p < 0.05). Moreover, a greater AHI score was an independent predictor of a lower WOMAC change score at 1 year (p = 0.01). Conclusion Interventions to improve control over arthritis symptoms should be studied with the goal of improving surgical outcomes.