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

Table 1

Main demographic and clinical characteristics of the study population.

	Septic group	Nonseptic group	Controls
No.	62	29	110
Birth weight, g	1082 (1029–1135)	1178 (1080–1275)	1088 (1045–1131)
Gestational age, weeks	29.2 (28.7–29.9)	30.1 (29.1–31.1)	29.2 (28.7–29.6)
Male, 𝑛 (%)	39 (63)	13 (45)	67 (61)
Spontaneous delivery, 𝑛 (%)	10 (16)	3 (11)	13 (12)
Intubation for respiratory distress syndrome, 𝑛 (%)	53 (85)*	11 (38)	34 (31)
Duration of invasive mechanical ventilation before enrolment	5.8 (6.5–9.7)	4.8 (2.5–7.0)	5.9 (4.5–7.2)
Subjects with central vascular access, 𝑛 (%)	30 (48)	12 (41)	36 (33)
Age at enrolment, days	8.7 (7.2–10.1)	6.8 (5.5–8.0)	6.9 (6.1–7.7)

Data expressed as mean (95% Confidence Interval for Mean) if not specified.
* 𝑃<.001 versus other two groups.