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Comparison of posterior tibial slope determined with posterior tibial cortex (PTC) and tibial proximal anatomical axis (TPAA) methods in white and black patients
| White | Black | p | Power | Cohen’s d | |
|---|---|---|---|---|---|
| PTC | 4.9 ± 1.2 | 7.1 ± 2.9 | <0.0001 | 100% | 0.99 |
| TPAA | 7.7 ± 1.1 | 10.2 ± 3.0 | <0.0001 | 100% | 1.37 |
