Table 2 Comparison of the study group and recurrent LPD group
|  | Mean VMO elevation (mm) | Muscle-fibre angulation (°) | Craniocaudal extent (mm) | Cross-sectional area ratio | Patella tilt angle (°) | Bisect offset ratio | |
|---|---|---|---|---|---|---|---|
Sagittal | Coronal | ||||||
Control | 4.1 ± 1.9 | 3.9 ± 3.7 | 27.9 ± 6.3 | 16.7 ± 5.1 | 0.07 ± 0.02 | 9.1 ± 5.2 | 0.54 ± 0.06 |
Recurrent LPD | 10.4 ± 2.3 | 15.9 ± 5.7 | 35.4 ± 8.0 | 13.7 ± 5.3 | 0.05 ± 0.02 | 25.9 ± 10.7 | 0.97 ± 0.33 |
P value | 0.00 | 0.00 | 0.00 | 0.005 | 0.000 | 0.00 | 0.00 |