Table 5.
Post-operative radiographic axis alignment.
| Variable | Post-operative Radiographic Axis |
p-value | |
|---|---|---|---|
| within 3° n = 78 | more than 3° n = 23 | ||
| 2-year Knee extension (°) | 1.5 ± 4.2 | 2.6 ± 6.6 | 0.35 |
| 2-year Knee flexion (°) | 114.7 ± 14.0 | 112.1 ± 17.8 | 0.45 |
| 2-year Fixed flexion deformity (°) | 0.50 ± 1.5 | 1.0 ± 3.1 | 0.38 |
| 2-year Extensor lag (°) | 0.28 ± 1.2 | 0.0 ± 0.0 | 0.045 |
| 2-year Straight-leg raising lag (°) | 0.26 ± 1.1 | 0.0 ± 0.0 | 0.051 |
| 2-year Oxford Knee score | 18.9 ± 5.9 | 18.8 ± 5.1 | 0.96 |
| BMI more than 23 kg/m2 | 62/73 (84.9%) | 26/28 (92.9%) | 0.51 |
| BMI more than 27.5 kg/m2 | 31/73 (42.4%) | 11/28 (39.2%) | 0.83 |
| BMI more than 30 kg/m2 | 16/73 (21.9%) | 7/28 (25.0%) | 0.79 |