Skip to main content

Table 2 Distribution of correctly inserted screws versus violated according to the region of spinal fixation

From: Postoperative 320 multi-slice computed tomography in assessment of pedicle screw insertion in thoraco-lumbar fixation

Screw PlacementFixation regionTotal
n (%)
ThoracicLumbo-sacral
T9T10T11T12totalL1L2L3L4L5S1Total
Correct710121948162033727126238286 (84.12)
Violation34872246710323254 (15.88)
Total1014202670202640827428270340 (100)
Incidence rate of violation3028.64026.931.42023.117.512.24.17.111.915.9
P value0.00007***
χ215.94
  1. *** highly significant
  2. χ2 chi-square