Table 2.
Rate of surgery and functional score in relation to foot abduction brace (FAB) duration
| Parameter | Number of feet (patients) | Pirani score before treatment | Average no. of casts before tenotomy | No. of tenotomies | Surgerya | Functional score (range) | Walking age months (range) |
|---|---|---|---|---|---|---|---|
| FAB = 2 years | 82 (58) | 4.2 ± 0.87 (2.5–6) | 6.5 ± 1.35 (4–12) | 81/82 (98 %) | 23/82 (28 %) | 120 ± 18.01 (78–150) | 15 ± 2.23 (11–22) |
| FAB > 2, < 3.5 years | 87 (59) | 4 ± 0.79 (3–6) | 6.3 ± 1.23 (4–10) | 83/87 (95 %) | 12/87 (13.7 %) | 134.3 ± 16.5 (65–150) | 14.9 ± 2.18 (10–20) |
| FAB > 3.5 years | 48 (29) | 4.6 ± 0.93 (3.5–6) | 5.8 ± 1.22 (4–9) | 46/48 (94 %) | 1/48 (2 %) | 135 ± 10.63 (98–150) | 15.7 ± 2.58 (12–20) |
| Still in FAB | 62 (43) | 4.7 ± 1.14 (4–6) | 5.9 ± 1.66 (4–10) | 60/62 (96.7 %) | N/A | 131.3 ± 10.4 (113–150)b | 16 ± 2.53 (12–22) |
| Total | 279 (189) | 4.4 ± 0.91 (2.5–6) | 6.3 ± 1.40 (4–12) | 270/279 (96.8 %) | 36/279 (12.9 %) | 131 ± 14.85 (65–150) | 15 ± 2.42 (10–22) |
N/A not available
aSignificance at p < 0.05
bAt last visit