Table 3.
Functional outcomes comparison of the two groups
| Variable | Repair group (n = 49) | Non-repair group (n = 35) | p value | Powera |
|---|---|---|---|---|
| Operative time, min | 46.0 ± 7.1 | 44.0 ± 9.5 | n.s | |
| LHS, day | 3.6 ± 0.6 | 3.4 ± 0.6 | n.s | |
| VAS | ||||
| 1 year | 0.0 (0.0–1.0) | 0.0 (0.0–2.0) | n.s | 0.06 |
| 2 year | 0.0 (0.0–1.0) | 0.0 (0.0–1.0) | n.s | 0.05 |
| AOFAS | ||||
| 1 year | 90.7 ± 4.7 | 91.5 ± 4.6 | n.s | 0.1 |
| 2 year | 91.8 ± 4.5 | 92.3 ± 4.5 | n.s | 0.07 |
| KAFS | ||||
| 1 year | 89.9 ± 4.2 | 90.1 ± 4.5 | n.s | 0.05 |
| 2 year | 91.1 ± 4.2 | 90.4 ± 4.2 | n.s | 0.1 |
| ATT, mm | ||||
| 1 year | 2.6 ± 1.2 | 2.4 ± 0.9 | n.s | 0.08 |
| 2 year | 2.8 ± 1.2 | 2.6 ± 1.0 | n.s | 0.2 |
| AJPS, degree | ||||
| 1 year | ||||
| Inversion 10° | 7.6 ± 1.3 | 7.7 ± 1.3 | n.s | 0.09 |
| Inversion 20° | 17.8 ± 1.6 | 18.0 ± 1.6 | n.s | 0.08 |
| Plantar flexion 10° | 7.6 ± 1.2 | 7.8 ± 1.2 | n.s | 0.1 |
| Plantar flexion 20° | 18.5 ± 1.3 | 18.2 ± 1.4 | n.s | 0.1 |
| 2 year | ||||
| Inversion 10° | 8.1 ± 1.6 | 7.9 ± 1.2 | n.s | 0.1 |
| Inversion 20° | 18.0 ± 1.7 | 18.1 ± 1.7 | n.s | 0.08 |
| Plantar flexion 10° | 7.8 ± 1.2 | 7.9 ± 1.4 | n.s | 0.07 |
| Plantar flexion 20° | 18.7 ± 1.3 | 18.4 ± 1.3 | n.s | 0.1 |
LHS Length of hospital stay, VAS Visual analogue scale, AOFAS American Orthopaedic Foot and Ankle Society, KAFS Karlsson Ankle Function Score, ATT Anterior Talar Translation, AJPS Active Joint Position Sense, n.s. non-significant
aPower is computed to reject the null hypothesis of equal means