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Table 3 The comparison of M1 of different methods (x ± s, n = 12)

From: Appropriate insertion point for percutaneous pedicle screw placement in the lumbar spine using c-arm fluoroscopy: a cadaveric study

Sections

Roy–Camille

Magerl

Weinstein

P-value

L1

2.0 ± 0.6

2.0 ± 0.6

2.5 ± 0.6

0.077

L2

2.3 ± 0.6

2.4 ± 0.6

3.0 ± 0.6βγ

0.015

L3

2.8 ± 0.7

3.0 ± 0.8

3.7 ± 0.8γ

0.018

L4

4.1 ± 0.8

4.4 ± 0.9

5.2 ± 1.1γ

0.021

L5

5.2 ± 1.1

5.6 ± 1.2

6.5 ± 1.2γ

0.030

  1. β: comparison between Magerl and Weinstein (p < 0.05); γ: comparison between Roy–Camille and Weinstein (p < 0.05)