Table 2 Comparison of mean CT values within the ROI between different trajectories in male and female
Age group | Traditional pedicle trajectory | Cortical bone trajectory | Modified cortical bone trajectory | |||
|---|---|---|---|---|---|---|
Male | Female | Male | Female | Male | Female | |
21–30 | 247.0 ± 59.0 | 318.8 ± 69.4 | 438.9 ± 100.4 | 520.4 ± 105.4 | 502.1 ± 102.7 | 602.2 ± 109.8 |
31–40 | 216.6 ± 46.4 | 268.1 ± 68.4 | 430.4 ± 107.4 | 494.1 ± 119.8 | 483.7 ± 108.0 | 573.2 ± 119.6 |