Table 5.

Complications encountered in the study

Complications	CAR	NCAR	p-value
Infection
Lung	0 (0)	3 (10)	NS*
Abdominal	0 (0)	3 (10)	NS
Urinary tract	0 (0)	2 (7)	NS
Central venous catheter	0 (0)	1 (3)	NS
Wound	1 (4)	3 (10)	NS
Cardiac
Arrhythmia	1 (4)	4 (13)	NS
Hypotension requiring vasoactive drugs	0 (0)	10 (33)	0.0029
Heart failure	0 (0)	1 (3)	NS
Respiratory failure requiring intubation	0 (0)	3 (10)	NS
Acute kidney injury	0 (0)	4 (13)	NS
Abdominal
Ileus	2 (9)	11 (37)	0.0252
Gastrointestinal bleeding	0 (0)	2 (7)	NS
Leak anastomosis	0 (0)	3 (10)	NS
Delirium	1 (4)	5 (17)	NS
Sepsis	0 (0)	2 (7)	NS
Death	0 (0)	2 (7)	NS
Total number of complications	5	57	0.0006

Notes: Data are presented as n (%).

^*p>0.05.

Abbreviations: CAR, cardiac autonomic reactivity; NCAR, non-cardiac autonomic reactivity; NS, not significant.