Table 1 Before and after surgery comparison
From: Effectiveness of distal tibial osteotomy with distraction arthroplasty in varus ankle osteoarthritis
Before surgery | After surgery | p value | |
|---|---|---|---|
Antero-posterior mortise angle during weight-bearing | 80.5 ± 2.8°(77–86°) | 98.0 ± 2.1° (96–102°) | <.0001 |
Lateral mortise angle during weight-bearing | 76.0 ± 2.6° (74–82°) | 85.0 ± 1.6° (83–88°) | <.0001 |
Stress radiography | |||
Talar tilt angle | 19.5 ± 2.9° (14–24°) | 3.0 ± 0.8° (2~4°) | <.0001 |
Anterior translation of the talus | 27 ± 4.2 mm (16–32 mm) | 2.6 ± 0.7 mm (2~4 mm) | <.0001 |
ROM | |||
Dorsiflexion | 7.0 ± 4.3°(0–15°) | 6.0 ± 4.0° (0–15°) | .109 |
Plantarflexion | 45.0 ± 8.2° (25–60°) | 40.0 ± 8.4° (20~60°) | .062 |
VAS | 9.1 ± 1.4 (6–10) | 1.6 ± 2.4 (0–6) | <.0001 |
AOFAS score | 35.5 ± 8.6 (30–58) | 88.4 ± 10.7 (58~100) | <.0001 |