Table 1 The basic characteristics of the patients in the two groups
Group | Age, mean ± SD (range), y | Sex (male/female) | BMI, mean ± SD (kg/m2) | Trochlear dysplasia (n) | ||
|---|---|---|---|---|---|---|
Normal | Low-grade | High-grade | ||||
Control | 24.0 ± 6.5 (19–38) | 25/45 | 23.3 ± 2.6 | 57 | 18 | 0 |
Recurrent LPD | 23.1 ± 9.9 (12–45) | 18/36 | 24.1 ± 3.6 | 0 | 16 | 59 |
p |  > .05 |  > .05 |  > .05 |  < .05 |  > .05 |  < .05 |