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Table 2.
Orthogonal experimental design
| Level | Experimental factor | ||
|---|---|---|---|
| Varus angle A (°) | Posterior slope angle B (°) | External rotation angle C (°) | |
| 1 | 0 | 1 | 3 |
| 2 | 3 | 2 | 4 |
| 3 | −3 | 3 | 5 |