Table 5.
Radiological results: difference measured in mm in tibiofibular distance at level of syndesmosis (1 cm proximal to the ankle joint) between injured and uninjured side. Values are mean (SD) or median (IQR) unless otherwise specified
| Factor | SB |
TS |
Mean between-group difference (95% CI) |
p-value a | ||
|---|---|---|---|---|---|---|
| n | difference | n | difference | |||
| Difference in anterior distance | ||||||
| ≤ 2 weeks | 54 | 0.1 (1.9) | 56 | 0.7 (1.8) | –0.5 (–1.2 to 0.2) | 0.1 |
| 1 year | 54 | 1.1 (2.0) | 50 | 0.7 (1.8) | 0.3 (–0.4 to 1.1) | 0.4 |
| 2 years | 46 | 0.9 (1.9) | 45 | 0.7 (1.6) | 0.2 (–0.5 to 1.0) | 0.5 |
| Difference in central distance | ||||||
| ≤ 2 weeks | 54 | 0.1 (1.2) | 56 | –0.7 (1.1) | 0.2 (–0.2 to 0.6) | 0.3 |
| 1 year | 54 | 1.2 (1.9) | 50 | 0.9 (1.4) | 0.3 (–0.3 to 1.0) | 0.3 |
| 2 years | 46 | 1.4 (0.0–2.0) | 45 | 1.0 (0.0–1.0) | 0.7 (0.0 to 1.4) | 0.2 b |
| Difference in posterior distance | ||||||
| ≤ 2 weeks | 54 | –0.4 (2.2) | 56 | –0.6 (2.1) | 0.2 (–0.6 to 1.0) | 0.7 |
| 1 year | 54 | 0.1 (1.8) | 50 | 0.4 (1.8) | –0.3 (–1.0 to 0.4) | 0.5 |
| 2 years | 46 | 0.0 (2.3) | 45 | 0.3 (2.0) | –0.4 (–1.2 to 0.5) | 0.4 |
aLevene’s test was used to assess equality of the variances. Statistical analysis was conducted using the 2-sided t-test for independent samples in normally distributed data;
otherwise the Mann–Whitney U-test was used.
bThe Mann–Whitney U-test was used.