Table 2 Surgical data

Levels treated, n (%)

 T11

2 (0.3%)

 T12

4 (0.5%)

 L1

6 (0.8%)

 L2

30 (4.1%)

 L3

86 (11.7%)

 L4

206 (28.1%)

 L5

232 (31.7%)

 S1

166 (22.7%)

Mean estimated robot blood loss (cc)

5.3 ± 20.7

Mean estimated surgery blood loss (cc)

44.5 ± 61.6

Mean radiation time–robot (s)

9.3 ± 6.1

Mean radiation time–surgery (s)

18.3 ± 13.3

Mean operative time (min)

121.8 ± 46.8

Mean screw insertion time (min)

25.4 ± 15.1