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Comparison of operation time, amount of intraoperative bleeding and times of intraoperative fluoroscopy between the two groups (mean ± SD).
| Groups | n | Operation time (min) | Amount of intraoperative bleeding (ml) | Times of intraoperative fluoroscopy |
|---|---|---|---|---|
| 3D model group | 48 | 210.8±54.5 | 1,147.2±235.4 | 6.8±1.6 |
| Routine operation group | 48 | 296.4±66.2 | 1,832.5±268.1 | 12.4±2.1 |
| t-test | 6.92 | 13.31 | 14.7 | |
| P-value | <0.001 | <0.001 | <0.001 |
