Table 2.

Microbial profile in the patients' groups

		EOS group (n = 30)	LOS group (n = 30)	Total (n =60)	t	P value
Gram-negative bacteria	Total	21 (70.0%)	28 (93.3%)	49 (81.67%)	2.3	< 0.01
	Klebsiella	15 (50%)	20 (67%)	35 (58%)	1.3	NS
	E. coli	4 (13.30%)	1 (3.3%)	5 (8.33%)	-1.4	NS
	Acinetobacter	2 (6.66%)	4 (13.30%)	6 (10%)	0.85	NS
	Serratia	0%	1 (3.3%)	1 (1.66%)
	Pseudomonas	0%	2 (6.66%)	2 (3.33%)
Gram-positive bacteria	Total	8 (26.7%)	2 (6.7%)	10 (16.7%)	-2.07	< 0.01
	Group B Streptococcus	5 (16.60%)	0%	5 (8.33%)
	CoNS	2 (6.66%)	1 (3.3%)	3 (5%)	-0.6	NS
	Enterococcus	1 (3.3%)	0%	1 (1.66%)
	MRSA	0%	1 (3.3%)	1 (1.66%)
Candida		1 (3.3%)	0%	1 (1.66%)

EOS: Early-onset sepsis; LOS: Late-onset sepsis; E. coli: Escherichia coli; CoNS: Coagulase-negative staphylococci; MRSA: Methicillin-resistant Staphylococcus aureus; NS: Not significant.