Table 2.
Perioperative comparison between minimally invasive and open group
| Minimally invasive TLIF | Open TLIF | p value | |
|---|---|---|---|
| Operative duration (minute) | 178.5±17.7 | 146.3±18.8 | 0.000 |
| Intraoperative blood loss (ml) | 183.9±24.2 | 490.7±75.3 | 0.000 |
| Intraoperative fluroscopic time (second) | 59.8±4.8 | 22.4±3.4 | 0.000 |
| Intraoperative skin entrance dose (mGy) | 136.6±12.5 | 61.0±7.2 | 0.000 |
| Postoperative ambulatory time (day) | 2.1±0.5 | 4.0±0.5 | 0.000 |
| Postoperative NASID use (mg) | 44.2±6.5 | 65.2±9.1 | 0.000 |
NASID indicates non-steroidal anti-inflammatory drug.