Skip to main content

Table 3 Multivariable linear regression analysis was used to identify the independent effect of sex on change in the components of the WOMAC and SF-12 scores 1 year after TKA. All variables (in Table 1) were all entered into the model at the one stage using “enter” methodology

From: Sex does not clinically influence the functional outcome of total knee arthroplasty but females have a lower rate of satisfaction with pain relief

Functional measureB95% Confidence intervalsP-value
WOMAC
Pain (R2 = 0.29)
SexMaleReference   
Female0.9−0.72.50.27
Function (R2 = 0.26)
SexMaleReference   
Female1.50.22.90.03
Stiffness (R2 = 0.36)
SexMaleReference   
Female1.2−0.32.80.12
Total (R2 = 0.27)
SexMaleReference   
Female1.50.22.80.03
SF-12
PCS (R2 = 0.19)
SexMaleReference   
Female−0.4−1.10.30.21
MCS (R2 = 0.30)
SexMaleReference   
Female−0.2−0.90.60.70