Table 3 Comparison of preoperative general data in patients with or without 3D-Slicer.

From: Application of 3D Slicer for preoperative planning in upper cervical posterior fixation with vertebral artery variations

Group

Case

Sex

Age (year, mean ± SD)

BMI (mean ± SD)

Male

Female

Without 3D-Slicer

67

46

21

57.2 ± 12.5 (95% CI 54.2–60.2)

21.1 ± 2.8 (95% CI 20.4–21.8)

With 3D-Slicer

51

29

22

61.1 ± 14.9 (95% CI 57.0–65.2)

22.4 ± 3.6 (95% CI 21.4–23.4)

Chi-squared-value

–

1.739

7.862

6.704

P-value

–

0.187

0.164

0.460

  1. BMI body mass index.
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