From: Clinical effects of combined anteversion and offset on postoperative dislocation in total hip arthroplasty
Widmer
TO decrease
TO increase
 CA good
3.2% (2/62)
0% (0/96)
 CA poor
11.5% (6/52)
1.4% (1/73)
Yoshimine
4.8% (4/84)
0% (0/126)
20% (4/20)
3.6% (1/28)