Table 2 Clinical and radiographic outcome measurements
Group 1 | Group 2 | p-Value | |
|---|---|---|---|
Ratio of patella height (injured/uninjured) | 1.02 ± 0.06 | 1.01 ± 0.05 | 0.154 |
Insall–Salvati ratio (injured/uninjured) | 0.96 ± 0.05 | 0.99 ± 0.05 | 0.252 |
Clinical bone union time (weeks) | 6.77 ± 0.7 | 6.21 ± 0.8 | 0.421 |
Radiologic bone union time (weeks) | 11.3 ± 1.4 | 10.8 ± 1.5 | 0.262 |
ROM | |||
FC (degrees) at 3 months | 2.5 ± 2.2 | 2.3 ± 2.7 | 0.128 |
FF (degrees) at 3 months | 120.3 ± 9.4 | 110.5 ± 7.7 | 0.037* |
FC (degrees) at 6 months | 0.8 ± 1.3 | 1.0 ± 1.6 | 0.264 |
FF (degrees) at 6 months | 125.5 ± 10.1 | 124.4 ± 9.8 | 0.233 |
FC (degrees) at 12 months | 0.5 ± 0.8 | 0.7 ± 0.9 | 0.436 |
FF (degrees) at 12 months | 134.2 ± 11.2 | 133.6 ± 10.9 | 0.367 |
HSS score | |||
At 3 months | 78.4 ± 8.2 | 83.7 ± 8.7 | 0.032* |
At 6 months | 91.3 ± 10.2 | 92.1 ± 10.1 | 0.235 |
At 12 months | 94.2 ± 11.2 | 94.3 ± 10.9 | 0.623 |
Lysholm score | |||
At 3 months | 73.5 ± 8.1 | 80.4 ± 8.2 | 0.016* |
At 6 months | 86.3 ± 9.7 | 86.9 ± 10.1 | 0.127 |
At 12 months | 92.3 ± 12.3 | 92.6 ± 10.4 | 0.273 |