Table 3 Comparing the deviations in different planes from neutral alignment and identification of outliers between NAV-TKR and CONV-TKR groups
Mean (range) | p-Value | ||
|---|---|---|---|
NAV-TKR | CONV-TKR | ||
Deviation in different planes from neutral alignment (degrees) | |||
Femoral coronal plane | 1.00 (0–5) | 1.53 (0–10) | 0.01 |
Tibial coronal plane | 1.24 (0–5) | 1.91 (0–7.5) | < 0.01 |
Overall coronal plane | 1.89 (0–7) | 2.62 (0–9.5) | 0.01 |
Femoral sagittal plane | 2.04 (0–9) | 3.27 (0–10) | < 0.01 |
Tibial sagittal plane | 1.99 (0–10) | 2.55 (0–14) | 0.04 |
Outliers (> 3°) | |||
Femoral coronal plane | 0 (0%) | 18 (12.5%) | 0.01 |
Tibial coronal plane | 3 (6.1%) | 29 (20.1%) | 0.03 |
Overall coronal plane | 9 (18.3%) | 46 (31.9%) | 0.01 |
Femoral sagittal plane | 10 (20.4%) | 70 (48.6%) | < 0.01 |
Tibial sagittal plane | 16 (32.7%) | 48 (33.3%) | 1.00 |