Table 2 WOMAC scores, expectations, and outcome satisfaction at baseline and 2 months post-TKA; total and stratified by obesity status
Characteristics | Total (n = 241) | Non-obese (n = 87) | Obese (n = 154) | p-value |
|---|---|---|---|---|
WOMAC | Â | Â | Â | Â |
Baseline; mean (SD) (n = 230) | 50.5 (14.6) | 46.8 (15.2) | 52.6 (13.9) | 0.004 |
2 Months FU; mean (SD) (n = 220) | 29.5 (17.5) | 24.4 (15.3) | 32.3 (18.0) | 0.001 |
Change between baseline and 2 months FU; mean (SD) (n = 214) | 21.1 (18.6) | 23.2 (17.0) | 19.9 (19.4) | 0.221 |
Expectations pain (n = 231) |  |  |  |  |
(Far) too high | 35.5 (82) | 34.6 (28) | 36.0 (54) | 0.932 |
Just right | 41.6 (96) | 43.2 (35) | 40.7 (61) | Â |
(Far) too low | 22.9 (53) | 22.2 (18) | 23.3 (35) | Â |
Expectations ADL (n = 225) |  |  |  |  |
(Far) too high | 36.4 (82) | 30.8 (24) | 39.5 (58) | 0.361 |
Just right | 43.1 (97) | 44.9 (35) | 42.2 (62) | Â |
(Far) too low | 20.4 (46) | 24.4 (19) | 18.4 (27) | Â |
Expectations physical activities (n = 220) |  |  |  |  |
(Far) too high | 48.6 (107) | 42.1 (32) | 52.1 (75) | 0.369 |
Just right | 35.9 (79) | 40.8 (31) | 33.3 (48) | Â |
(Far) too low | 15.5 (34) | 17.1 (13) | 14.6 (21) | Â |
Satisfaction with result of surgery (n = 232) |  |  |  |  |
(Very) good | 69.4 (161) | 75.9 (63) | 65.8 (98) | 0.232 |
Fair | 21.6 (50) | 15.7 (13) | 24.8 (37) | Â |
(Very) bad | 9.1 (21) | 8.4 (7) | 9.4 (14) | Â |