Table 2.
Overall changes in WOMAC and SF-36 scores of the study participants from before surgery to 6 months after total knee arthroplasty (n = 138)
| Mean score before TKA† (SD) | Mean score 6 months after TKA † (SD) | Change in score ‡(SD) | 95% CI | p value | |
|---|---|---|---|---|---|
|
WOMAC |
|
|
|
|
|
|
Pain |
44.2 (17.1) |
77.3 (17.2) |
33.1 (21.8) |
29.5 to 36.8 |
<0.001 |
|
Function |
42.1 (15.5) |
71.9 (18.1) |
29.8 (20.5) |
26.3 to 33.2 |
<0.001 |
|
SF-36 |
|
|
|
|
|
|
Physical functioning |
18.5. (15.3) |
40.9 (21.7) |
22.4 (22.6) |
18.6 to 26.2 |
< 0.001 |
|
Role physical |
36.5 (21.7) |
56.6 (25.6) |
20.1 (28.9) |
15.3 to 25.0 |
< 0.001 |
| Bodily pain | 27.6 (10.7) | 52.1 (11.2) | 24.5 (19.1) | 21.3 to 27.7 | < 0.001 |
TKA: Total knee arthroplasty.
SD: standard deviation.
CI: confidence interval.
† Scores presented as %. Higher scores always sign a better condition.
‡ Positive changes in score sign an improvement of the condition.