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Table 2 Absolute value error of intra-and post-operative cup placement angles

From: A method combining the use of a mobile application and a dedicated pelvic positioner for acetabular cup insertion

 

Control group

(30 hips)

Study group

(30 hips)

P value

Intraoperative inclination (°)a

45

42.7 ± 3.1

 

Postoperative inclination (°)a

43.0 ± 4.8

41.8 ± 3.5

 

Absolute value error of inclination (°)a

4.0 ± 3.3

2.4 ± 2.1

0.107b

Intraoperative anteversion (°)a

15

11.0 ± 4.4

 

Postoperative anteversion (°)a

12.4 ± 8.9

12.6 ± 3.6

 

Absolute value error of anteversion (°)a

7.4 ± 5.3

2.8 ± 2.6

< 0.001b

  1. aMean ± standard deviation
  2. bMann–Whitney U test