Table 2.
Summary of operation values
| Operative factors | RAF | FGF | Statistic (t/Z) | P value |
|---|---|---|---|---|
| Mean operation time (min) | 114.1 ± 34.4 | 104.0 ± 18.1 | 1.552 | 0.125 |
| Fluoroscopy frequency (times) | 16.1 ± 3.1 | 22.6 ± 3.9 | − 7.815 | 0.000** |
| Mean hospital stay (days) | 7.5 ± 2.4 | 8.2 ± 2.5 | − 1.279 | 0.204 |
| Mean blood loss (mL) | 93.8 ± 24.9 | 102.2 ± 27.8 | − 0.963 | 0.339 |
| Hospitalization expenses (RMB) | 70529.6 ± 17224.5 | 58803.1 ± 9753.4 | 3.53 | 0.001** |
RAF robot-assisted percutaneous pedicle screw fixation, FGF fluoroscopy-guided percutaneous pedicle screw fixation, RMB Renminbi
**P < 0.01, statistically significant