Perioperative restricted fluid therapy preserves immunological function in patients with colorectal cancer

Table 3 Postoperative complications of the patients in the two study groups n (%)

	Restricted fluid (n = 89)	Standard fluid (n = 96)	P value
Patients with major surgical complications	5 (5.6)	13 (14.6)	0.069
Total major surgical complications	7	19
Sepsis/shock	2	5	0.29
Anastomotic bleeding	1	3	0.62
Anastomotic leakage	2	8	0.10
Peritonitis without leakage	1	1	1.00
Patients with minor surgical complication	22 (24.7)	38 (39.6)	0.03
Total minor surgical complications	25	44
Wound dehiscence, infection, haematoma	13	15	0.85
Blood transfusion	7	18	0.03
Patients with organ-specific complications	21 (23.6)	30 (31.3)	0.24
Total organ-specific complications	28	34
Urinary tract infection	5	10	0.23
Heart insufficiency	8	1	0.02
Respiratory insufficiency	1	1	1.00
Renal insufficiency	3	0	0.11
Cognitive disorder	3	7	0.34
Total postoperative complications	60	97
Total patients with complications	36 (40.4)	59 (61.5)	< 0.01