Spinal levels

N

Pedicle width (mm)

Under 4.5 mm

T1

2

6.4 ± 1.3

0 (0%)

T2

18

4.2 ± 1.0

12 (67%)

T3

19

3.0 ± 0.7

19 (100%)

T4

25

2.9 ± 0.8

23 (92%)

T5

28

3.6 ± 0.9

24 (86%)

T6

11

3.6 ± 1.2

9 (82%)

T7

6

3.8 ± 1.0

4 (67%)

Total or Average

109

3.5 ± 1.1

90 (83%)