WOMAC total score | N | THA | N | TKA | P |
---|---|---|---|---|---|
Preoperatively | 174 | 61.3 ± 15.8 | 204 | 54.3 ± 14.4 | <0.0001 |
6-wks post-op | 174 | 47.1 ± 12.0 | 01 | 46.9 ± 15.9 | 0.9 |
3-m post-op | 173 | 30.9 ± 10.2 | 198 | 26.7 ± 12.6 | 0.001 |
6 m post-op | 172 | 18.1 ± 12.2 | 193 | 14.5 ± 12.1 | 0.007 |
12 m post-op | 169 | 14.7 ± 9.7 | 184 | 9.6 ± 10.0 | <0.0001 |
WOMAC total change score | |||||
Pre-op – 12 monthsa | 46.6(43.4–49.8) | 44.7(41.3–48.0) | |||
ES Pre-op – 12 months | 2.9 | 3.1 |