Early prediction of postoperative infection using inflammatory markers after cytoreductive surgery for peritoneal carcinomatosis

Table 2 Daily levels of C-reactive protein and neutrophil-to-lymphocyte ratio in all patients according to the presence or absence of overall postoperative infection and in the presence or absence of intra-abdominal infection

Characteristic	All patients (n = 111)	Overall postoperative infection			Intra-abdominal infection
		No (n = 92)	Yes (n = 19)	P value	No (n = 103)	Yes (n = 8)	P value
Day 1
CRP (mg/L)	79.5 (58.0-102.0)	77.0 (58.0-101.0)	91.0 (51.0-119.0)	0.390	77.5 (58.0-101.3)	89.5 (73.0-165.5)	0.114
NLR (mg/L)	10.4 (6.2-16.2)	10.2 (6.1-15.8)	10.4 (6.6-23.4)	0.682	9.9 (6.2-15.2)	15.9 (4.0-28.0)	0.228
Day 2
CRP (mg/L)	91.5 (65.3-147.0)	87.0 (60.0-127.0)	145.0 (81.0-187.0)	0.013	88.1 (62.3-143.5)	143.0 (76.5-195.5)	0.195
NLR (mg/L)	10.4 (7.2-14.5)	10.4 (7.1-14.3)	9.6 (7.2-15.6)	0.377	10.3 (7.2-14.3)	13.3 (5.9-17.7)	0.707
Day 3
CRP (mg/L)	75.0 (47.0-140.0)	70.4 (44.5-120.5)	153.5 (100.3-240.3)	0.001	73.0 (47.0-136.0)	119.0 (38.0-167.8)	0.442
NLR (mg/L)	10.0 (7.0-12.2)	10.5 (7.1-12.1)	8.4 (6.1-17.1)	0.674	10.0 (7.0-12.1)	9.9 (4.9-33.4)	0.783
Day 4
CRP (mg/L)	99.5 (48.5-155.3)	80.5 (46.5-128.0)	151.5 (90.8-204.6)	0.047	96.5 (49.3-156.8)	123.5 (40.1-163.5)	0.918
NLR (mg/L)	8.4 (6.2-11.1)	8.1 (6.0-10.4)	9.3 (6.7-18.5)	0.120	8.2 (6.2-10.6)	8.73 (6.4-24.2)	0.294

Results are presented as medians and interquartile ranges. CRP: C-reactive protein; NLR: Neutrophil-to-lymphocyte ratio.