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Table 3 SE-CP and IE-CP angle using proximal pin reference

From: The aiming device for cervical distractor pin insertion: a proof-of-concept, feasibility study

Level

SE-CP (Mean ± SD)

IE-CP (Mean ± SD)

P-value

C3

5.6 ± 5.0°

8.7 ± 6.2°

0.020*

C4

3.4 ± 3.3°

4.5 ± 4.9°

0.280

C5

3.0 ± 2.2°

3.4 ± 1.9°

0.760

C6

4.0 ± 3.8°

4.2 ± 5.0°

0.860

Average

4.0 ± 1.1°

5.2 ± 2.4°

0.170

  1. *P-Value < 0.05 that statically significant difference