Serum Calprotectin: An Antimicrobial Peptide as a New Marker For the Diagnosis of Sepsis in Very Low Birth Weight Newborns

Table 2

Results of laboratory parameters evaluated.

	Septic group	Nonseptic group	Controls		𝑃 values
				Septic versus nonseptic	Septic versus controls	Nonseptic versus controls
White blood cell count (𝑛×10^3/mm^3)	16.645 (12.219–21.098)	14.837 (11.619–18.055)	12.382 (10.688–14.076)	1.000	.106	1.000
I/T ratio	0.91 (0.58–1.24)	0.030 (0.01–0.06)	0.042 (0.02–0.06)	.025	.025	1.000
Platelet count (𝑛×10^3/mm^3)	278 (239–317)	289 (256–322)	259 (237–281)	1.000	1.000	.802
C-reactive protein (mg/dL)	13.1 (7.4–18.7)	6.2 (0.38–12.8)	2.1 (1.7–2.6)	.123	<.001	.591
Serum calprotectin (μg/mL)	3.1 (2.9–3.4)	1.1 (0.9–1.2)	0.91 (0.8–1.0)	<.001	<.001	.515

I/T ratio: immature-to-total-neutrophil ratio.
Data expressed as mean (95% Confidence Interval for Mean) if not specified.