Table 4.
A multivariate analysis for the factors associated with postoperative KS-FS > of 80 points.
| Odds ratio | 95% CI | p-value | |
|---|---|---|---|
| Gender (female/male) | 0.363 | 0.116–1.140 | 0.083 |
| Age at operation | 0.857 | 0.800–0.919 | < 0.001* |
| BMI | 0.996 | 0.895–1.109 | 0.942 |
| Patellar replacement (yes/no) | 0.287 | 0.265–1.481 | 0.287 |
| Preoperative ROM | 1.013 | 0.991–1.035 | 0.267 |
| Postoperative ROM | 1.022 | 0.983–1.063 | 0.278 |
| Preoperative FTA | 0.975 | 0.890–1.069 | 0.588 |
| Postoperative FTA | 1.004 | 0.827–1.219 | 0.967 |
| K-L grade | 0.709 | 0.292–1.724 | 0.448 |
| HKA in-range (yes/no) | 0.818 | 0.305–2.195 | 0.690 |
| JLOA in-range (yes/no) | 0.706 | 0.301–1.655 | 0.423 |
KS-FS, Knee Society Function Score; BMI, body mass index; ROM, range of motion; FTA, femorotibial angle; K-L, Kellgren-Lawrence; HKA, hip-knee-ankle axis; JLOA, joint line orientation angle; CI, confidence interval. *Significant difference, p < 0.05.