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Table 3 Multivariate linear regression models predicting change in WOMAC Sum and change in EQ-5D VAS

From: Patient characteristics and valuation changes impact quality of life and satisfaction in total knee arthroplasty – results from a German prospective cohort study

Preoperative valuesChange in WOMAC Sum (adj. R2 = 0.65) Change in EQ-5D VAS (adj. R2 = 0.58) 
Estimate [95% CI]VIFEstimate [95% CI]VIF
Intercept66.66*** [59.09–78.95] 40.59** [14.43–66.74] 
Age  0.46* [0.09–0.83]1.08
Marital status – divorced−13.11* [−23.06 - -3.17]1.04−13.13* [−25.82 - -0.43]1.03
Housing situation – with family7.47* [1.36–13.59]1.05  
WOMAC function score−0.78*** [−0.93 - -0.62]1.66  
Knee Society Score function−0.22** [−0.37 - -0.08]1.57  
EQ-5D VAS0.26*** [0.11–0.40]1.38−0.97*** [−1.13 - -0.81]1.05
J 45 - Asthma  −16.34** [−27.71 - -4.98]1.04
5–829 – other arthroplasty10.60 [− 0.98–22.18]1.02  
  1. *p < 0.05 **p < 0.01 ***p < 0.001