Table 3.

Regression β-coefficients and 95% CIs for the continuous independent variables, for each outcome measure

Outcome model Independent variable	β	95% CI
EQ-5D Index
Age, years	−0.002	−0.002 to −0.001
Preoperative EQ-5D index
low	0.497	0.296 to 0.698
high	0.034	0.014 to 0.055
Preoperative EQ VAS	0.001	0.0006 to 0.0010
Preoperative Pain VAS	−0.001	−0.0009 to −0.0003
EQ VAS
Age, years	−0.23	−0.27 to −0.19
Preoperative EQ-5D index	2.63	1.20 to 4.06
Preoperative EQ VAS	0.12	0.10 to 0.14
Pain VAS
Age, years	0.08	0.05 to 0.12
Preoperative EQ VAS	−0.05	−0.06 to −0.03
Preoperative Pain VAS	0.06	0.04 to 0.08
Satisfaction VAS
Age, years	0.21	0.17 to 0.25
Preoperative EQ VAS	−0.04	−0.06 to −0.02