From: Focal concavity of posterior superior acetabulum and its relation with acetabular dysplasia and retroversion in adults without advanced hip osteoarthritis
Retroversion
Anteversion
p-value*
Acetabular dysplasia (n, %)
Lateral center edge angle <25°
0/13, 0.0
5/13, 38.5
0.020
Tönnis angle >10°
6/13, 46.2
0.015
Anterior center edge angle <25°
7/13, 53.8
0.003