The Accuracy of 3D Printing Assistance in the Spinal Deformity Surgery

Table 2

Details of instrumentation level, type, grading, and side of pedicle screw breach.

No.

T3

T4

T5

T6

T7

T8

T9

T10

T11

T12

L1

L2

L3

L4

L5

S1

Total

1

MA^c

MA^c

LA^v

LA^v

2MA, 2LA

2

IA^vLA^c

MA^cIA^v

IB^v

IA^v

MA^v

2MA, 1LA, 3IA, 1IB

3

4

5

IA^v

1IA

6

7

MB^v

1MB

8

MA^v

MA^c

2MA

9

10

MA^c

MB^vLA^c

MB^c

MA^v

LA^v

LC^c

MA^c

3MA, 2MB, 2LA, 1LC

Breach type: M: medial breach; L: lateral breach; I: inferior breach. Breach grading: A: <2 mm breach; B: ≥2 mm breach and <4 mm breach; C: ≥4 mm breach.Concave side.Convex side. Grey background: range of instrumentation.