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Results of measurements on MRI with and without PTW sign.
| MRI with PTW sign | MRI without PTW sign | P value | ||
|---|---|---|---|---|
| Tibial-femoral angle | −0.22 ± 2.69 | 0.16 ± 2.53 | Z = 1.000 | 0.317 |
| Tibial anterior translation | ||||
| Medial | 5.39 ± 3.90 | 3.99 ± 2.71 | t = 2.096 | 0.039 |
| Lateral | 7.67 ± 3.77 | 1.40 ± 3.81 | t = 8.281 | 0.000 |
| Patellar tendon length | 44.04 ± 5.76 | 43.36 ± 3.79 | Z = 0.331 | 0.741 |
| ACL injury | 41/51 (80.4%) | 9/49 (18.4%) | x2 = 38.455 | 0.000 |
PTW sign: patellar tendon wavy sign.
