Table 4 The distance between the entry points to the midline of the intervertebral space and the distance between the entry points (\(\overline{x }\)±s, mm)
Level | DMP1 | DMP2 | P1P2 | |||
|---|---|---|---|---|---|---|
Male | Female | Male | Female | Male | Female | |
C3-C4 | 3.98 ± 0.34 | 4.20 ± 0.33 | 6.90 ± 0.37 | 6.51 ± 0.41 | 2.92 ± 0.48 | 2.32 ± 0.51 |
C4-C5 | 3.89 ± 0.40 | 4.13 ± 0.36 | 7.50 ± 0.49 | 7.05 ± 0.36 | 3.61 ± 0.21 | 2.93 ± 0.51 |
C5-C6 | 3.82 ± 0.26 | 4.03 ± 0.28 | 8.41 ± 0.44 | 7.92 ± 0.41 | 4.59 ± 0.46 | 3.88 ± 0.44 |
C6-C7 | 3.56 ± 0.34 | 3.81 ± 0.40 | 9.64 ± 0.68 | 8.93 ± 0.46 | 6.08 ± 0.39 | 5.12 ± 0.53 |