Table 2 Comparison of patient demographics and morphological parameters between patients with and without ankle osteoarthritis (OA)
Parameters | Ankle OA (+) (n = 59 patients) | Ankle OA (−) (n = 272 patients) | p-Value** |
|---|---|---|---|
Age* (years) | 73 (57–87) | 76 (36–91) | 0.149 |
Sex†(male:female) | 8 (14): 51 (86) | 73 (27): 199 (73) | 0.024 |
Body mass index* (kg/m2) | 26 (20–40) | 25 (15–39) | 0.170 |
Affected side†(right:left) | 26 (15): 33 (20) | 142 (85): 130 (80) | 0.257 |
Tibial anterior surface angle* (°) | 87 (79–103) | 90 (79–104) | 0.005 |
Tibial medial malleolus angle* (°) | 24 (13–53) | 21 (4–44) |  < 0.001 |
Tibial bimalleolus angle* (°) | 79 (66–103) | 80 (68–101) | 0.199 |