Polymicrobial intensive care unit-acquired pneumonia: prevalence, microbiology and outcome

Table 6 Serum levels of inflammatory biomarkers

	N^a	Monomicrobial pneumonia n = 215	N^a	Polymicrobial pneumonia n = 41	P value
C-reactive protein, mg/dL	206	13 (7;22)	36	13 (4;25)	0.75
IL-6 day 1, pg/mL	107	157 (49:462)	19	92 (34;213)	0.19
IL-8 day 1, pg/mL	107	99 (59;209)	19	69 (55;161)	0.33
TNF-alpha day 1, pg/mL	107	8 (5;16)	19	7 (3;10)	0.30
Procalcitonin day 1, ng/mL	108	0.48 (0.15;1.57)	20	0.44 (0.06;1.72)	0.53
MR-proADM day 1, nmol/L	114	1.35 (0.55;2.28)	20	0.60 (0.25;2.02)	0.13

Reported values are median (interquartile range). ^aNumber of patients with samples processed for each inflammatory biomarker in each group. IL interleukin, MR-proADM mid-regional pro-adrenomedullin, TNF tumor necrosis factor

ISSN: 1364-8535