From: Navigated 2-level posterior lumbar fusion: a 5-cm-incision procedure
Navigated PLF group (n = 20) | Conventional PLF group (n = 20) | p value | |
---|---|---|---|
Incision length (cm) | 4.8 ± 0.4 | 10.9 ± 1.2 | 0.001* |
Blood loss (ml) | 209.0 ± 109.2 | 334.0 ± 248.7 | 0.047* |
Operative time | |||
Total time (min) | 160.7 ± 40.5 | 144.4 ± 20.8 | 0.116 |
Exposure (min) | 35.2 ± 15.1 | 30.9 ± 11.5 | 0.319 |
Screw placement (min) | 25.0 ± 6.4 | 26.7 ± 10.5 | 0.527 |
3D scanning (min) | 11.8 ± 2.7 | 0 ± 0 | N/A |
Decompression (min) | 76.6 ± 27.0 | 60.3 ± 15.4 | 0.024* |
Closure (min) | 12.2 ± 4.7 | 26.5 ± 5.6 | 0.001* |