Table 2.

Distribution of isolated bacteria according to sepsis onset and gestational age.

Isolated organism (total = 75)	N (%)	Early onset N (%)	Late onset N (%)	Test proportion	P value	Preterm N (%)	Full term N (%)	Test proportion	P value
Gram-negative
Klebsiella species	34(45.3)	17(50)	17(50)	0.5	1	15(44.1)	19(55.9)	0.5	0.6
Enterobacter	3(4)	2(66.7)	1(33.3)	0.5	1	2(66.7)	1(33.3)	0.5	1
Pseudomonas	4(5.3)	0(0)	4(100)	0.5	0.12	2(50)	2(50)	0.5	1
Acinetobacter	8(10.7)	5(62.5)	3(37.5)	0.5	o.72	3(37.5)	5(62.5)	0.5	0.72
Total	49(65.3)	24(49)	25(51)	0.5	1	22(44.9)	27(55.1)	0.5	0.56
Gram-positive
CoNS	17(22.7)	4(23.5)	13(76.5)	0.5	0.04*	9(52.9)	8(47.1)	0.5	1
MRSA	7(9.3)	1(14.3)	6(85.7)	0.5	0.125	4(57.1)	3(42.9)	0.5	1
Strept.	2(2.7)	2(100)	0(0)	0.5	0.12	0(0)	2(100)	0.5	0.12
Total	26(34.7)	7(26.9)	19(73.1)	0.5	0.02*	13(50)	13(50)	0.5	1

*P < 0.05 is significant.

CoNS: coagulase-negative staphylococci; MRSA: methicillin-resistant Staphylococcus aureus; Strept.: streptococci.

Data are presented as numbers (percentages).