Table 2.

Causative organisms of culture-confirmed neonatal sepsis vs time of onset, Korea, 1997–1999

Organisms	Early onset (no. deaths)	Late onset (no. deaths)	Total (no. deaths)	% total
Staphylococcus aureus	58	23 (1)	81 (1)	44.5
Other staphylococcus	33	24	57	31.3
Escherichia coli	12 (2)	5	17 (2)	9.3
Streptococcus agalacteae	2 (1)	0	2 (1)	1.1
Other streptococcus	9	5	14	7.7
Candida spp.	4	7	11	6.0
Others †	3	0	3	1.6
Total	121 (3)	64 (1)	185 (4)	101.6

^†Proteus one case, Pseudomonas one case, and pheomycotic brain abscess one case.

Early onset, ≤72 h; late onset, >72 h–<4 weeks. Six patients had two different microorganisms.