Page 107 - The value of total hip and knee arthroplasties for patients
P. 107

                                Patients’ pre-operative general and specific outcome expectations predict postoperative pain and function after total knee and total hip arthroplasties
The predictive value of outcome expectations for Total Hip Arthroplasty
Multivariate linear regression models identified baseline function, the KL-score and patients’ general expectations of outcome (CEQ expectancy) as significant predictors of function 12 months after THA (table 4). The final model explained 18.6% (R2 0.186) of the variance in outcome. When the CEQ expectancy score was replaced by the more specific expectations measure (HSS expectation surveys function subscale) the explained variance slightly decreased to 17.7% (R2 0.177). For the outcome pain 12 months after THA, baseline function, the KL-score and patients’ general expectations of outcome (CEQ expectancy) were identified as significant predictors (table 5).The final model explained 18.4% (R2 0.184) of variance in the outcome. When the CEQ expectancy score was replaced by the more specific expectations measure (HSS expectation surveys pain subscale) the explained variance was similar (18.3% (R2 0.183)).
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