Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 1 Comparison between patellar resurfaced and unresurfaced total knee arthroplasty (P value > 0.05 for all items)
From: Cemented fixed-bearing PFC total knee arthroplasty: survival and failure analysis at 12–17 years
Patella resurfaced | Patella not resurfaced | P value | |
|---|---|---|---|
Total HSS | 85.9 (95% CI 83.8–88.1) | 81.7 (95% CI 78.6–84.9) | 0.1053 |
Pain | 24.2 (95% CI 22.6–25.9) | 26.7 (95% CI 25.7–27.8) | 0.0636 |
ROM | 106.3° (95% CI 102.7°–110.1°) | 109.1 (95% CI 106.4°–111.7°) | 0.0647 |
Functionality | 17.8 (95% CI 16.8–18.8) | 16.8 (95% CI 15.6–18.1) | 0.5911 |
Quadriceps force | 9.4 (95% CI 9.2–9.6) | 9.1 (95% CI 8.7–9.4) | 0.3646 |
Flexion deformity | 9.9 (95% CI 9.8–9.9) | 9.8 (95% CI 9.6–9.9) | 0.3699 |
Instability | 9.5 (95% CI 9.3–9.7) | 9.4 (95% CI 9.1–9.6) | 0.0699 |