Table 3.
Comparison of mean KSS Score in Three Groups.
| KSS | Groups |
P-value | |||||
|---|---|---|---|---|---|---|---|
| Simultaneous |
Same Hospitalization |
Different Hospitalization |
|||||
| Mean | SD | Mean | SD | Mean | SD | ||
| Before surgery | 64.29 | 3.15 | 63.92 | 5.52 | 64.24 | 3.37 | 0.91 |
| 1 month after surgery | 79.79 | 2.91 | 78.71 | 3.05 | 80.24 | 2.86 | 0.07 |
| 3 months later surgery | 86.95 | 3.04 | 85.76 | 2.35 | 86.29 | 2.15 | 0.13 |
| 2 years after surgery | 92.32 | 1.89 | 92.47 | 2.29 | 92.92 | 2.29 | 0.45 |
| Diff (before to 1 month) | 15.50 | 5.00 | 14.79 | 6.74 | 16.00 | 4.54 | 0.63 |
| Diff (before to 3 months) | 22.66 | 4.81 | 21.00 | 3.62 | 22.05 | 4.26 | 0.23 |
| Diff (before to 2 years) | 28.03 | 3.66 | 27.71 | 3.30 | 28.68 | 3.74 | 0.48 |
| P | 0.001 | 0.001 | 0.001 | ||||
| P (type of surgery) | 0.07 | ||||||
| P (time and surgical technique) | 0.81 | ||||||
Note. KSS: American Knee Society Score; SD: Standard deviation.