Table 2.

Pathogens implicated in infants with late-onset bacteremia (n = 38).

Number of patients affected	Bacterial species
20	Staphylococcus epidermidis
2	Escherichia coli
2	Klebsiella pneumoniae
2	Staphylococcus aureus, methicillin-resistant
2	Staphylococcus aureus, methicillin-sensitive
1	Clostridium perfringens
1	Enterobacter aerogenes
1	Enterococcus faecalis
1	Serratia marcescens
1	Staphylococcus auricularis
1	Staphylococcus hominis
1	Staphylococcus saprophyticus
1	Staphylococcus warneri
1	Staphylococcus hemolyticus
1	Streptococcus agalactiae (Group B strep)

Staphylococcus epidermidis was the most prevalent (20/38) pathogen found. Thirty-two of 38 cultures tested positive for gram-positive bacteria.