From: Accuracy of thoracic pedicle screw placement in adolescent idiopathic scoliosis patients using the entry point identified by new landmarks: a computed tomography study
Perforation
No perforation
*P value
Concave side
17
266
Convex side
195
0.381
Upper thoracic spine (T1–T4)
13
70
Middle thoracic spine (T5–T8)
14
188
Lower thoracic spine (T9–T12)
7
203
0.01