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Table 2 Paired-sample t test of the FNTA (mean ± SD°)

From: Three-dimensional morphological analysis of the femoral neck torsion angle—an anatomical study

 Total (400)Males (137)Females (63)Left (200)Right (200)
Isthmus FNTA30.58 ± 8.9031.99 ± 9.2527.49 ± 7.1930.06 ± 8.5731.10 ± 9.21
Basilar FNTA23.79 ± 3.9824.13 ± 4.0023.05 ± 3.8423.49 ± 4.0124.10 ± 3.92
T value16.83415.1867.99512.36511.529
P value< 0.001< 0.001< 0.001< 0.001< 0.001