Table 2 Preoperative functional and radiographic evaluation
| Â | Value |
|---|---|
Q angle | 14.5 ± 3.5° (5–28°) |
TT-TG distance, mm | 15.6 ± 1.8 (8–23) |
Insall-Salvati ratio | 1.3 ± 0.2 (0.8–1.8) |
Beighton score | 3.8 ± 2.6 (0–9) |
Dejour trochlear dysplasia, n (%) | |
 Type A | 41 (51.3) |
 Type B | 20 (25.0) |
 Type C | 12 (15.0) |
 Type D | 7 (8.8) |