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Differences in lateral screw between males and females
| Group | Length (mm) | Diameter (mm) | L3 (mm) | L4 (mm) |
|---|---|---|---|---|
| All | 39.23 ± 6.01 | 4.97 ± 1.07 | 17.04 ± 2.27 | 5.89 ± 1.63 |
| Male | 43.26 ± 4.64 | 5.81 ± 0.76 | 17.79 ± 2.26 | 6.48 ± 1.72 |
| Female | 35.20 ± 4.28 | 4.13 ± 0.56 | 16.29 ± 2.03 | 5.29 ± 1.28 |
| t | 9.033 | 12.478 | 3.497 | 3.930 |
| P | 0.000 | 0.000 | 0.001 | 0.000 |
The differences between males and females were of statistical significance (P < 0.05)
