Group 1 | Group 2 | 95%CI | p-value# | p-value$ | ||
---|---|---|---|---|---|---|
(n = 93) | (n = 51) | |||||
WOMAC | ||||||
Pain | Pre-op | 61.1 ± 14.7 | 60.6 ± 13.5 | −4.38~ 5.43 | 0.833 | 0.464 |
Post-op | 19.7 ± 14.6 | 18.3 ± 12.7 | −3.43~ 6.19 | 0.572 | 0.397 | |
Change | −41.4 (from − 44.9 to −37.9) | − 42.2 (from − 47.2 to −37.3) | −5.14~ 6.85 | 0.779 | 0.931 | |
Stiffness | Pre-op | 48.6 ± 26.9 | 52.0 ± 26.8 | −12.56~ 5.93 | 0.876 | 0.608 |
Post-op | 22.0 ± 21.2 | 24.5 ± 21.6 | −9.87~ 4.86 | 0.503 | 0.757 | |
Change | −26.6 (from −31.2 to −22.0) | −27.5 (−34.1 to −20.8) | −7.19~ 8.81 | 0.841 | 0.741 | |
Function | Pre-op | 56.5 ± 11.5 | 56.6 ± 10.9 | −4.07~ 3.71 | 0.926 | 0.821 |
Post-op | 20.5 ± 14.5 | 19.7 ± 14.1 | −4.19~ 5.70 | 0.764 | 0.517 | |
Change | −36.0 (from − 39.0 to − 33.1) | −36.9 (from −41.1 to − 32.8) | − 4.13~ 6.01 | 0.716 | 0.631 | |
Total | Pre-op | 56.8 ± 11.3 | 57.1 ± 10.3 | −4.06~ 3.46 | 0.876 | 0.795 |
Post-op | 20.4 ± 14.2 | 19.8 ± 13.8 | −4.22~ 5.44 | 0.803 | 0.541 | |
Change | −36.3 (from − 39.3 to −33.4) | −37.3 (from −41.4 to − 33.1) | − 4.17~ 5.99 | 0.724 | 0.684 | |
SF-36 | ||||||
Health change | Pre-op | 36.3 ± 17.9 | 34.8 ± 16.6 | −4.52~ 7.49 | 0.626 | 0.899 |
Post-op | 45.2 ± 18.2 | 47.1 ± 17.1 | −8.02~ 4.22 | 0.541 | 0.254 | |
Change | 8.9 (5.7–12.0) | 12.3 (7.6–16.9) | −8.88~ 2.12 | 0.226 | 0.166 | |
Physical | Pre-op | 28.6 ± 11.3 | 28.2 ± 10.8 | −3.45~ 4.22 | 0.842 | 0.887 |
Post-op | 74.0 ± 15.4 | 74.0 ± 15.2 | −5.25~ 5.28 | 0.996 | 0.680 | |
Change | 45.3 (42.2–48.5) | 45.7 (41.0–50.4) | −5.94~ 5.19 | 0.895 | 0.774 | |
Mental | Pre-op | 46.4 ± 15.0 | 48.8 ± 15.6 | −7.67~ 2.78 | 0.357 | 0.254 |
Post-op | 77.0 ± 9.6 | 75.5 ± 12.1 | −2.17~ 5.09 | 0.429 | 0.585 | |
Change | 30.6 (27.6–33.7) | 26.7 (22.2–31.2) | −1.41~ 9.21 | 0.149 | 0.124 |