Table 5 Results of 3D cup position accuracy.

From: Accuracy of cup position following robot-assisted total hip arthroplasty may be associated with surgical approach and pelvic tilt

 

Frequency of absolute difference of distance ≥ 3 mm on coronal or axial plane (postoperative CT-preoperative plan)

Treated side

Right

16.7% (11/66)

Left

10.2% (5/49)

p-value

0.239

Odds (95% CI)

1.76 (0.57–5.44)

Surgical approach

Anterior

31.0% (9/29)

Posterior

8.1% (7/86)

p-value

0.004

Odds (95% CI)

5.07 (1.69–15.30)

Acetabular shape

DDH

12.9% (4/31)

Non-DDH

14.3% (12/84)

p-value

0.559

Odds (95% CI)

0.89 (0.26–2.99)