Variables | Group B (n = 154) | Group I (n = 40) | P value |  |
---|---|---|---|---|
Ankle laterality, right/left | 154/154 | 23/17 | 0.48 | Â |
Anterior drawer test | Â | Â | 0.08 | Â |
  grade 1, n (%) | 250 (81.2) | 37 (92.5) |  |  |
  grade 2, n (%) | 58 (18.8) | 3 (7.5) |  |  |
Ultrasonographic findings | Â | Â | Â | Â |
  nonstress ATFL length, mm |  |  |  |  |
   all ankles | 19.4 ± 1.8 (19.2–19.6) | 19.3 ± 1.9 (18.7–19.9) | 0.84 |  |
 | range, 15.7–24.6 | range, 16.4–23.1 |  |  |
   right ankles | 19.3 ± 1.8 (19.0-19.6) | 19.0 ± 1.7 (18.2–19.6) | 0.39 |  |
 | range, 15.8–23.3 | range, 16.5–22.2 |  |  |
   left ankles | 19.4 ± 1.8 (19.2–19.7) | 19.9 ± 2.2 (18.8–20.9) | 0.39 |  |
 | range, 15.7–24.6 | range, 16.4–23.1 |  |  |
  stress ATFL length, mm |  |  |  |  |
   all ankles | 20.8 ± 1.8 (20.6–21.0) | 20.9 ± 1.9 (20.3–21.5) | 0.66 |  |
 | range, 16.4–26.3 | range, 17.5–24.9 |  |  |
   right ankles | 20.7 ± 1.8 (20.4–21.0) | 20.5 ± 1.8 (19.7–21.2) | 0.71 |  |
 | range, 16.7–26.0 | range, 17.5–23.6 |  |  |
   left ankles | 20.9 ± 2.0 (20.6–21.3) | 21.5 ± 2.0 (20.5–22.5) | 0.22 |  |
 | range, 16.7–26.0 | range, 17.5–23.6 |  |  |
  length change, mm |  |  |  |  |
   all ankles | 1.5 ± 0.6 (1.4–1.5) | 1.6 ± 0.6 (1.4–1.8) | 0.12 |  |
 | range, 0.4–3.1 | range, 0.5–2.9 |  |  |
   right ankles | 1.4 ± 0.6 (1.3–1.5) | 1.6 ± 0.5 (1.3–1.8) | 0.16 |  |
 | range, 0.4–3.1 | range, 0.6–2.6 |  |  |
   left ankles | 1.5 ± 0.6 (1.4–1.6) | 1.6 ± 0.7 (1.3-2.0) | 0.40 |  |
 | range, 0.5–3.1 | range, 0.6–2.9 |  |  |
  ATFL ratio |  |  |  |  |
   all ankles | 1.08 ± 0.03 (1.07–1.08) | 1.08 ± 0.03 (1.07–1.09) | 0.13 |  |
 | range, 1.02–1.17 | range, 1.02–1.16 |  |  |
   right ankles | 1.07 ± 0.03 (1.07–1.08) | 1.08 ± 0.03 (1.07–1.10) | 0.15 |  |
 | range, 1.02–1.17 | range, 1.03–1.13 |  |  |
   left ankles | 1.08 ± 0.03 (1.07–1.08) | 1.09 ± 0.04 (1.07–1.10) | 0.45 |  |
 | range, 1.03–1.16 | range, 1.02–1.16 |  |  |