Table 1.
Radiographic measurements comparing the three cohorts
| Radiographic measurement | Group 1 (n = 50) | Group 2 (n = 50) | Group 3 (n = 50) | |||
|---|---|---|---|---|---|---|
| FTA | FTA 2°–8° valgus | FTA outliers | FTA 2°–8° valgus | FTA outliers | FTA 2°–8° valgus | FTA outliers |
| Number of patients (%) | 36 (72%) | 14 (28%) | 34 (68%) | 16 (32%) | 36 (72%) | 14 (28%) |
| HKA | HKA 0° ± 3° varus/valgus | HKA outliers | HKA 0° ± 3° varus/valgus | HKA outliers | HKA 0° ± 3° varus/valgus | HKA outliers |
| Number of patients (%) | 42 (84%) | 8 (16%) | 41 (82%) | 9 (18%) | 28 (56%) | 22 (44%) |
| ZMA | ZMA through central zone | ZMA outliers | ZMA through central zone | ZMA outliers | ZMA through central zone | ZMA outliers |
| Number of patients (%) | 30 (60%) | 20 (40%) | 34 (68%) | 16 (32%) | 18 (36%) | 32 (64%) |
FTA = femorotibial angle; HKA = Hip-knee-ankle angle; ZMA = zone of mechanical axis.