Table 3.
Comparison clinical outcomes between the visual palpation group and length pattern group.
| Visual palpation group (mean ± SD) | Length pattern group (mean ± SD) | Odd ratio (95%CI)/P Value | |
|---|---|---|---|
| Incidence of postoperative patellar re-dislocation | 3/17 | 0/27 | OR 0.08 (0.004–1.6)/0.051 | 
| Positive apprehension test | 10/17 | 4/27 | OR 0.12 (0.03–0.51)/< 0.01 | 
| incidence of postoperative pain during knee flexion | 2/17 | 0/27 | OR 0.11 (0.005–2.5)/0.14 | 
| Lysholm score | 84.7 ± 16.2 | 95.1 ± 5.4 | 0.046 | 
| Kujala score | 90.1 ± 16.2 | 96.8 ± 6.5 | 0.065 | 
| Patient satisfactory score | 73.4 ± 26.6 | 89.1 ± 13.2 | 0.036 | 
| loss of knee flexion (≧10) | 0/17 | 0/27 | 1 | 
| radiographic patellofemoral osteoarthritis progression | 2/17 | 0/27 | OR 0.11 (0.005–2.5)/0.14 | 
| Femoral tunnel position | |||
| The anterior-posterior ratio (%) | 51.8 ± 9.5 | 47.6 ± 10.9 | 0.21 | 
| The proximal-distal ratio (%) | 62.1 ± 15.9 | 49.9 ± 11.2 | <0.01 |