Table 2.
Residual malalignment
| Malalignment parameter | Median (IQR) | Significancea | ||
|---|---|---|---|---|
| Pre-op | Post-op | Difference | ||
| Ulnoradial shift in mm, ulnar (−), radial (+) | 3.8 (1.4 to 9.9) | 7.0 (1.1 to 11.0) | 2.1 (−2.7 to 5.0) | 0.327 |
| Volodorsal shift in mm, volar (−), dorsal (+) | 7.2 (−5.6 to 30.3) | 4.0 (2.8 to 10.3) | −3.2 (−11.6 to 11.2) | 0.069 |
| Proximodistal shift in mm, shortened (−), lengthened (+) | −5.3 (−17.0 to 13.9) | −0.6 (−3.8 to 0.2) | 2.9 (−0.0 to 5.4) | 0.123 |
| Dorsopalmar tilt in deg, dorsal (−), volar (−) | −9.0 (−16.8 to 13.9) | −6.4 (−7.9 to 0.4) | 5.5 (−6.9 to 10.3) | 0.050 |
| Radial inclination in deg, ulnar (−), radial (+) | 5.6 (0.4 to 8.8) | 3.2 (−1.4 to 8.8) | −1.4 (−9.3 to 5.3) | 0.208 |
| Axial rotation in deg, pronation (−), supination (+) | −7.6 (−36.4 to 2.0) | −2.6 (−13.2 to 12.3) | 15.0 (1.2 to −30.6) | 0.484 |
IQR interquartile range, deg degrees, mm millimetre
aRelated samples Wilcoxon signed rank test
Bold value indicates statistical significance (p < 0.05)