Table 3

Comparison between outcomes at 3.6 years after unilateral or bilateral THR. Results are shown as mean (SD)

WOMAC subscaleUnilateral THR
(n=198)
Bilateral THR
(n=14)
Unilateral THR, mean age 71, bilateral THR mean age 74. The bilateral surgery was made during the first follow up year. The scale is 0–100, worst to best.
*p= 0.008.
Pain82 (20.3)*96 (6.4)*
Stiffness78 (22.2)78 (24.5)
Physical function74 (21.7)77 (18.8)