Table 2 Differences in right and left pedicle diameters

APEX ±1

Cortical Bone

H (mm)

12.4 ± 1.5 (9.1–16.3)

10.8 ± 1.5 (7.3–15.6)

< 0.001*

W (mm)

4.9 ± 0.8 (2.9–6.2)

3.6 ± 0.9 (0.9–5.7)

< 0.001*

Cancellous Bone

h (mm)

7.5 ± 1.4 (4.9–11.4)

5.9 ± 1.5 (1.9–10.1)

< 0.001*

w (mm)

2.6 ± 0.7 (1.2–4.0)

1.7 ± 0.7 (0.2–3.9)

< 0.001*

NV ±1

Cortical Bone

H (mm)

10.8 ± 1.5 (7.3–15.6)

9.1 ± 1.0 (6.9–11.8)

< 0.001*

W (mm)

3.6 ± 0.9 (0.9–5.6)

3.6 ± 0.7 (2.4–5.7)

0.929

Cancellous Bone

h (mm)

5.9 ± 1.5 (1.9–10.1)

4.9 ± 1.2 (2.4–8.1)

< 0.001*

w (mm)

1.7 ± 0.7 (0.2–3.9)

1.8 ± 0.7 (0.7–4.1)

0.903