Table 1 Results of normal alignment and outliers in the sagittal, coronal, and axial planes in the studied cohort (n = 60 patients)
Variable | Category | Number (percentage) | Mean ± SD |
|---|---|---|---|
Postoperative coronal limb alignment | Normal | 39 (65%) | −0.34 ± 0.3 |
Varus outliers | 19 (30%) | 6.74 ± 0.5 | |
Valgus outliers | 2 (5%) | 5.83 ± 0.6 | |
Postoperative sagittal limb alignment | Normal | 15 (25%) | 2.32 ± 0.3 |
Hyperextension outliers | 31 (51.7%) | 14.97 ± 1.9 | |
Flexion outliers | 14 (23.3%) | 7.23 ± 1.1 | |
Femoral component rotation | Normal | 16 (26.7%) | 3.21 ± 0.2 |
Internal Rotation outliers | 16 (26.7%) | −0.86 ± 0.2 | |
External Rotation outliers | 28 (46.6%) | 1.55 ± 0.4 | |
Tibial component rotation | Normal | 28 (46.6%) | 0.04 ± 0.01 |
Internal Rotation outliers | 22 (36.6%) | −6.22 ± 0.7 | |
External Rotation outliers | 10 (16.8%) | 6.44 ± 1.4 | |
Rotation mismatch | 17 | 9.31 ± 1.9 | |
Combined rotation | Internal Rotation | 5 | −7.42 ± 1.1 |
External Rotation | 10 | 9.43 ± 1.5 |