PT  - JOURNAL ARTICLE
AU  - Jillian P.  Eyles
AU  - Barbara R.  Lucas
AU  - Jillian A.  Patterson
AU  - Matthew J.  Williams
AU  - Kate Weeks
AU  - Marlene Fransen
AU  - David J.  Hunter
TI  - Does Clinical Presentation Predict Response to a Nonsurgical Chronic Disease Management Program for Endstage Hip and Knee Osteoarthritis?
AID  - 10.3899/jrheum.131475
DP  - 2014 Sep 15
TA  - The Journal of Rheumatology
PG  - jrheum.131475
4099  - http://www.jrheum.org/content/early/2014/09/10/jrheum.131475.short
4100  - http://www.jrheum.org/content/early/2014/09/10/jrheum.131475.full
AB  - Objective To identify baseline characteristics of participants who will respond favorably following 6 months of participation in a chronic disease management program for hip and knee osteoarthritis (OA). Methods This prospective cohort study assessed 559 participants at baseline and following 6 months of participation in the Osteoarthritis Chronic Care Program. Response was defined as the minimal clinically important difference of an 18% and 9-point absolute improvement in the Western Ontario and McMaster Universities Arthritis Index global score. Multivariate logistic regression modeling was used to identify predictors of response. Results Complete data were available for 308 participants. Those who withdrew within the study period were imputed as nonresponders. Three variables were independently associated with response: signal joint (knee vs hip), sex, and high level of comorbidity. Index joint and sex were significant in the multivariate model, but the model was not a sensitive predictor of response. Conclusion Strong predictors of response to a chronic disease management program for hip and knee OA were not identified. The significant predictors that were found should be considered in future studies.