Skip to main content

Table 2 Comparison of operative data between the two groups

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*

  1. T test was performed between the two groups; N/A - Not applicable
  2. *p < 0.05