Table 1.
Group assignment
| Etiology of ankle valgus (Group) | No. of patients (ankles) | Age at op., years (range) | Age at removal, years (range) | Time to removal, months (range) |
|---|---|---|---|---|
| Clubfoot (CF) | 21 (29) | 11.0 (8.7–14.0) | 12.0 (9.7–15.3) | 15 (6–39) |
| Hereditary multiple exostoses (HME) | 15 (27) | 11.7 (9.6–14.7) | 13.4 (10.9–16.7) | 22 (12–46) |
| Idiopathic (IP) | 12 (21) | 12.1 (8.7–16.5) | 14.4 (10.2–19.0) | 17 (6–35) |
| Cerebral palsy (CP) | 8 (14) | 12.3 (10.3–15.3) | 14.2 (11.3–16.6) | 14 (11–17) |
| Meningomyelocele (MMC) | 7 (13) | 11.1 (9.9–14.2) | 13.1 (11.4–15.1) | 24 (18–30) |
| Fibular hypoplasia (FH) | 7 (7) | 11.6 (7.9–12.9) | 14.2 (12.7–15.6) | 20 (9–33) |
| Other a | 9 (14) | 12.2 (7.4–14.1) | 13.8 (10.2–14.9) | 15 (6–34) |
| Total | 79 (125) | 11.7 (7.4–16.5) | 13.3 (9.7–19.0) | 18 (6–46) |
a In the “other” group, 3 patients had Down’s syndrome, 2 had scleroderma, and 1 had mucopolysaccharidosis. In 2 other children, the valgus deformity occurred after trauma, and in 1 child as a result of osteomyelitis.