25 November 2023 : Clinical Research
Risk Factors for Postoperative Knee Stiffness in Patients with Anteromedial Knee Osteoarthritis Undergoing Unicompartmental Knee Arthroplasty with Cemented Prostheses: A Short-Term, Retrospective, Case-Control Study
Congcong Wei1ABCDEF, Xihan Zhang1B, Mingming Dong2B, Boyi Lei1B, Jiangbo Zhao1B, Xiangdong Xi1B, Shuai Zhao1B, Baigang Zhou1AG*DOI: 10.12659/MSM.942440
Med Sci Monit 2023; 29:e942440
Table 3 Results of radiological measurements in patients with center knee osteoarthritis undergoing unicompartmental knee arthroplasty.
| Feature of the patients | Patients without post-operative knee stiffness (n=530) | Patients with post-operative knee stiffness (n=60) | Total (n=590) | P |
|---|---|---|---|---|
| Postoperative HKA angle (degrees) | 175.3±3.0 | 175.6±3.2 | 175.4±3.1 | 0.763 |
| Femoral component varus/valgus angle (degrees) | 1.3±3.3 | 0.8±4.0 | 1.1±3.6 | 0.530 |
| Femoral component flexion/extension angle (degrees) | 12.6±3.5 | 12.8±7.2 | 12.7±5.6 | 0.875 |
| Tibial component varus/valgus angle (degrees) | 2.0±1.3 | 2.4±1.3 | 2.2±1.3 | 0.536 |
| Tibial component posterior slope angle (degrees) | 4.8±2.0 | 4.6±2.0 | 4.7±2.0 | <0.001 |