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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 values

Change in WOMAC Sum (adj. R2 = 0.65)

 

Change in EQ-5D VAS (adj. R2 = 0.58)

 

Estimate [95% CI]

VIF

Estimate [95% CI]

VIF

Intercept

66.66*** [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 family

7.47* [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 VAS

0.26*** [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 arthroplasty

10.60 [− 0.98–22.18]

1.02

  
  1. *p < 0.05 **p < 0.01 ***p < 0.001