Table 1 (Abstract O66).
Angle discrepancies between preoperative planning and intraoperative osteotomy
| Side | Plane | Mean ± SD (°) a | < 1°, n (%) | 1–2° n (%) | 2–3°, n (%) | Outliers (> 3°), n (%) |
|---|---|---|---|---|---|---|
| Femur | Coronal | 0.87 ± 0.65 | 34 (66.67) | 12 (23.53) | 4 (7.84) | 1 (1.96) |
| Sagittal | 2.09 ± 2.00 | 18 (35.29) | 15 (29.41) | 7 (13.73) | 11 (21.57) | |
| Axial | 1.45 ± 1.26 | 26 (50.98) | 11 (21.57) | 5 (9.80) | 9 (17.65) | |
| Tibia | Coronal | 1.38 ± 0.93 | 21 (42.86) | 18 (36.73) | 8 (16.33) | 2 (4.08) |
| Sagittal | 2.18 ± 1.98 | 18 (36.73) | 11 (22.45) | 7 (14.29) | 13 (26.53) | |
| Axial | 4.33 ± 3.43 | 7 (14.29) | 9 (18.37) | 6 (12.24) | 3 (6.12)b | |
| United femoral-tibial angle | Coronal | 1.20 ± 0.78 | 22 (45.83) | 19 (39.58) | 6 (12.50) | 1 (2.08) |
| Sagittal | 2.87 ± 2.63 | 13 (27.08) | 9 (18.75) | 8 (16.67) | 18 (37.50) |
aThe numbers in this column were recorded by absolute value
bThe outliers for tibial rotation were defined as internal rotation exceeding 10°, while outliers in other planes were defined as exceeding 3°