Table 4.
Differences in Radiation Exposure Among Different TLIF Methods.
| Total (n = 165) | IGN (n = 12) | Robotic (n = 62) | Open (n = 56) | MIS (n = 35) | P | |
|---|---|---|---|---|---|---|
| Total-procedure radiation, mGy | 51.19 ± 42.02 | 50.21 ± 22.84 | 59.84 ± 32.48 | 22.56 ± 22.62 | 82.02 ± 56.24 | <.001 |
| Total-procedure radiation per level, mGy | 45.52 ± 40.97 | 41.88 ± 27.70 | 51.18 ± 32.05 | 18.56 ± 19.53 | 79.41 ± 54.25 | <.001 |
| Intraoperative radiation, mGy | 42.16 ± 41.81 | 44.69 ± 13.08 | 44.85 ± 34.61 | 14.81 ± 15.54 | 80.28 ± 55.6 | <.001 |
| Preoperative CT, % | 47.27 | 25.00 | 82.26 | 37.50 | 8.57 | <.001 |
| Preoperative CT radiation, mGy | 19.88 ± 9.48 | 22.09 ± 19.67 | 19.36 ± 7.32 | 20.67 ± 12.28 | 20.28 ± 12.16 | .931 |
Abbreviations: TLIF, transforaminal lateral interbody fusion; IGN, intraoperative computed tomography image-guided navigation; robotic, robotic assistance; MIS, minimally invasive surgery with fluoroscopy.