Table 5 SL1 at P1 point in the cervical intervertebral space (\(\overline{x }\)±s, mm)
Level | Upper screw | Lower screw | ||
|---|---|---|---|---|
Male | Female | Male | Female | |
C3-C4 | 22.35 ± 1.53 | 21.07 ± 1.26 | 21.10 ± 1.41 | 20.20 ± 1.38 |
C4-C5 | 22.83 ± 1.45 | 21.84 ± 1.40 | 21.43 ± 1.60 | 20.85 ± 1.38 |
C5-C6 | 23.23 ± 1.30 | 22.37 ± 1.53 | 22.53 ± 1.35 | 21.45 ± 1.28 |
C6-C7 | 23.68 ± 1.23 | 22.94 ± 1.46 | 23.49 ± 1.42 | 22.62 ± 1.46 |