| Neutral group (n = 128) | Under-correction group (n = 128) | P |
---|---|---|---|
HKA angle (mean ± SD) | -0.68°±3.35° | -2.56°±2.81° | <0.001a |
FFC (mean ± SD) | 90.37°±2.33° | 91.94°±1.98° | <0.001a |
FTC (mean ± SD) | 89.72°±2.00° | 89.44°±2.10° | 0.264a |
TCS (mean ± SD) | 5.16°±3.80° | 5.35°±2.59° | 0.633a |
HKA angle <-3°or >3° (n) | 42 | 53 | 0.155b |
FTC<87°or >93° (n) | 14 | 18 | 0.450b |