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Table 2 Accuracy of reproducing the targeted plan as assessed by the postoperative radiographs. Data are presented as means ± standard deviation (95% confidence intervals)

From: Cup accuracy and early-term clinical outcomes of a novel, pinless, robotic-assisted total hip arthroplasty system: A first-in-human pilot study

 

Final Planned Target Angle

Postoperative Radiographs

P-value

Mean Absolute Error

Anteversion

19.1° ± 2.6° (17.8° – 20.3°)

21.0° ± 3.9° (19.04° – 22.9°)

0.019

2.9° ± 2.4°

(1.7° – 4.1°)

Inclination

40.9° ± 1.1° (40.4° – 41.4°)

43.56° ± 4.13° (41.5° – 45.6°)

0.007

3.8° ± 2.6°

(2.6° – 5.1°)