|
Cup inclination
|
Cup anteversion
|
Stem antetorsion
|
CA
|
---|
Intraoperative navigation measurement (°)
|
39.7 (3.7)
|
17.3 (6.7)
|
25.2 (8.5)
|
34.9 (6.5)
|
Postoperative CT measurement (°)
|
39.2 (4.2)
|
16.9 (6.3)
|
25.8 (8.7)
|
34.6 (7.7)
|
P value
|
0.36
|
0.58
|
0.67
|
0.80
|
Absolute error (°)
|
2.3 (2.1)
|
2.1 (2.0)
|
3.0 (2.4)
|
3.5 (3.2)
|
- CA combined anteversion. The figures in parentheses are standard deviations. The intraoperative navigation measurements and postoperative CT measurements are expressed as radiographic angles relative to an anterior pelvic plane value of 0°