Dealing with robot-assisted surgery for rectal cancer: Current status and perspectives

Table 1 Clinically relevant outcomes

Outcome	Open-LAR	Robotic-LAR	P value1
Intraoperative transfusions	0	0	-
Death	0	0	-
Postoperative transfusions patients n (%)	6 (5.7)	1 (2.0)	0.432
Surgical complications (30th postop day)
Units	12	1	0.051
Infectious	15 (14.3)	8 (16.3)	0.189
Non-infectious	11 (10.5)	10 (20.4)
Both	5 (4.5)	0
Overall	31 (29.5)	18 (36.7)	0.371
Reinterventions (30th postop day)	0	2 (4.1)	0.100
Length of hospital stay (d) mean ± SD (Median)	12.4 ± 3.2 (12.0)	8.4 ± 9.3 (7.0)	< 0.001
Post-operative Hb (g/dL) mean ± SD (Median)	10.6 ± 1.6 (10.8)	11.0 ± 1.4 (10.8)	0.124
Hb drop (g/dL) mean ± SD (Median)	3.0 ± 1.4 (2.9)	2.4 ± 1.6 (2.0)	0.015

¹Two-sample two-sided Wilcoxon test, unpaired t-test; ²or two-sided Fisher’s exact test as appropriate. Modify from Biffi et al[30].