Table 3.
Superolateral Hoffa fat pad edema and patellofemoral maltracking parameters
| Mean ± SD | p-value | |||
|---|---|---|---|---|
| SHFPE | Controls | |||
| Lateralization of tibial tuberosity | TT-TG distance | 8.6 ± 2.6 mm | 6.7 ± 3.9 mm | 0.055 |
| TT-TG index | 0.13 ± 0.04 | 0.14 ± 0.16 | 0.607 | |
| Trochlear dysplasia | Trochlear depth | 6.4 ± 2.0 mm | 6.7 ± 1.4 mm | 0.588 |
| Lateral trochlear inclination | 21.7°±5.3° | 24.9°±5.0° | 0.028 | |
| Patella alta | ISR | 1.35 ± 0.17 | 1.10 ± 0.15 | < 0.001 |
| MISR | 2.25 ± 0.34 | 1.92 ± 0.25 | 0.021 | |
| PTI | 0.31 ± 0.12 | 0.54 ± 0.14 | < 0.001 | |
| Lateral patellar tilt | Patellar tilt angle | 8.2°±4.5° | 6.7°±3.9° | 0.216 |
| Bisect offset (%) | 59.4 ± 9.7 | 57.0 ± 8.1 | 0.305 | |
Abbreviations: SD, standard deviation; TT, tibial tubercle; TG, trochlear groove; ISR, Insall-Salvati ratio; MISR, modified Insall-Salvati ratio; PTI, patellotrochlear index