Table 3 Multiple tests of the maximum diameter of the infra-acetabular corridor under different perspective angles

Male

 IAD_5°

 × 

 IAD _15°

 − 0.17819

 × 

 IAD _25°

 − 0.19894

 − 0.02074

 × 

 IAD _35°

 − 0.23191

 − 0.05372

 − 0.03298

 × 

 IAD _45°

0.39447*

0.57266*

0.59340*

0.62638*

 × 

Female

 IAD_5°

 × 

 IAD _15°

 − 0.19892

 × 

 IAD _25°

 − 0.18710

0.01183

 × 

 IAD _35°

0.03226

0.23118

0.21935

 × 

 IAD _45°

1.32258*

1.52151*

1.50968*

1.29032*

 ×