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Table 3 Target zone of placing cup for three surgeons and the percentage of target zone placement for inclination, anteversion, and both for left and right THA in three surgeons

From: Is the cup orientation different in bilateral total hip arthroplasty with right-handed surgeons using posterolateral approach?

  Target zone (°) Left THA Right THA p value
Surgeon A
(n = 70)
Inclination
Anteversion
Both
35–45
15–25
39/70 (56%)
40/70 (57%)
24/70 (34%)
37/70 (53%)
40/70 (57%)
20/70 (29%)
0.734
1.0
0.466
Surgeon B
(n = 292)
Inclination
Anteversion
Both
35–40
20–25
99/292 (34%)
79/292 (27%)
31/292 (11%)
93/292 (32%)
92/292 (32%)
32/292 (11%)
0.597
0.237
0.894
Surgeon C
(n = 136)
Inclination
Anteversion
Both
40–50
20–25
50/136 (37%)
46/136 (34%)
17/136 (13%)
49/136 (36%)
41/136 (30%)
17/136 (13%)
0.900
0.516
1.0
  1. n number, THA total hip arthroplasty