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Table 4 Distribution by vertebra of the screws that violated the pedicular cortex

From: A medium invasiveness multi-level patient’s specific template for pedicle screw placement in the scoliosis surgery

Vertebra

Total number of screws

Misplaced screws (n)

Misplaced screws (%)a

T1

0

0

0

T2

1

0

0

T3

1

0

0

T4

3

1

0.9

T5

3

0

0

T6

3

0

0

T7

4

1

0.9

T8

2

0

0

T9

5

0

0

T10

7

1

0.9

T11

10

0

0

T12

12

2

1.81

L1

11

0

0

L2

12

0

0

L3

12

2

1.81

L4

10

0

0

L5

9

0

0

S1

5

0

0

  1. aThis value actually represents the misplaced screws percentage of the total 110 screws