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Functional parameters measured in both groups
| Parameter | Open repair group (n = 15) | Percutaneous repair group (n = 17) | ||||
|---|---|---|---|---|---|---|
| Mean | Minimum | Maximum | Mean | Minimum | Maximum | |
| Muscle strength (N) | 144 | 85 | 195 | 120 | 55 | 200 |
| Dorsal flexion (°) | 15 | 5 | 30 | 15 | 5 | 30 |
| Plantar flexion (°) | 40 | 30 | 50 | 40 | 25 | 50 |
| Ankle perimeter (cm) | 24.2 | 21.5 | 28 | 23.2 | 21 | 28 |
| Calf perimeter (cm) | 39 | 34.5 | 41.5 | 39 | 34.5 | 42 |
| Single heel raising test (out of 20 lifts) | 18.5 | 3 | 20 | 17.6 | 3 | 20 |
| Time to work return (months) | 5.6 | 3 | 30 | 2.8 | 2 | 7 |
