Characteristics | Union group (n = 31) | Nonunion group (n = 22) | Mean difference, 95%CI | P |
---|---|---|---|---|
Vertical displacement (A, mm) | 76.4 ± 9.1 | 69.8 ± 15.4 | 6.6 (-0.17–0.88) | 0.056 |
Horizontal displacement (B, mm) | 59.9 ± 8.1 | 64.8 ± 7.7 | -4.9 (-9.22–0.58) | 0.027 |
Vertical distance of healthy side (A1, mm) | 82.7 ± 8.7 | 80.7 ± 5.0 | 2 (-2.13–6.19) | 0.291 |
Horizontal distance of healthy side (B1, mm) | 51.5 ± 7.4 | 48.3 ± 4.5 | 3.2 (-0.35–6.75) | 0.076 |
The ratio of displacement (|(A-A1) |/A1 +|(B-B1) |/B1) | 0.3 ± 0.1 | 0.5 ± 0.2 | -0.3 (-0.34–0.17) | < 0.001 |