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Failure rate according to sagittal alignment of the femoral component
| Alignment | No. of failures | Failure rate | P-value |
|---|---|---|---|
| Neutral (N = 1,735) (0–3°) | 0 | 0 % | Reference |
| Flexion (N = 748) (greater than 3° flexion) | 25 | 3.3 % | 0.0029 |
| Extension (N = 565) (greater than 1° extension) | 5 | 0.9 % | 0.2001 |
