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°
0/7, 0.0
3/7, 42.9
0.192
Tönnis angle >10°
Anterior center edge angle <25°
4/7, 57.1
0.003