Table 2.
Comparison of preoperative and postoperative radiographic data.
| Preoperative (mean ± SD) | Postoperative (mean ± SD) | P Value | |
|---|---|---|---|
| The length pattern group | |||
| Congruence angle (degrees) | −9.4 ± 21.7 | −0.4 ± 19.3 | 0.015 | 
| Lateral tilt angle (degrees) | −3.0 ± 8.8 | 2.9 ± 6.0 | <0.01 | 
| Lateral patellar displacement (mm) | 5.1 ± 7.2 | 2.5 ± 9.7 | 0.048 | 
| The visual palpation group | |||
| Congruence angle (degrees) | −17.0 ± 36.6 | −2.1 ± 36.0 | 0.058 | 
| Lateral tilt angle (degrees) | −12.5 ± 32.9 | 2.7 ± 6.5 | <0.01 | 
| Lateral patellar displacement (mm) | 4.2 ± 9.4 | 1.9 ± 6.7 | 0.33 |