EOS	Early-onset sepsis
LOS	Late-onset sepsis
CA-LOS	Community-acquired late-onset sepsis
HA-LOS	Healthcare-associated late-onset sepsis
V/ELBW	Very low/extremely low birth weight
N/LBW	Normal/low birth weight
GBS	Streptococcus agalactiae (group B Streptococcus)
SBG	Streptococcus bovis group
CoNS	Coagulase-negative Staphylococcus
OR	Odds ratio
CI	Confidence interval