Table 4.
Malalignment parameter | Difference compared to pre-op Median (IQR) |
Significancea | |
---|---|---|---|
Cutting guide (n = 4) | Visualisation (n = 4) | ||
Coronal shift in mm, ulnar (−), radial (+) | 3.1 (1.9 to 10.0) | −2.6 (−3.0 to 3.5) | 0.200 |
Sagittal shift in mm, volar (−), dorsal (+) | 10.2 (−7.3 to 18.1) | −6.7 (−26.4 to −2.6) | 0.200 |
Radial length in mm | 2.2 (−2.0 to 15.7) | 4.3 (0.3 to 5.4) | 0.686 |
Palmar tilt in deg, dorsal (−), volar (−) | −6.8 (−24.5 to 4.4) | 8.5 (5.2 to 14.9) | 0.114 |
Radial inclination in deg, ulnar (−), radial (+) | −3.2 (−9.3 to 5.7) | 0.3 (−11.4 to 5.3) | 1.000 |
Axial rotation in deg, pronation (−), supination (+) | 23.0 (11.5 to 30.6) | 1.8 (−13.1 to 30.0) | 0.343 |
IQR interquartile range, deg degrees, mm millimetre
aIndependent samples Mann–Whitney U test