TABLE 4.

Characteristics of Initially Asymptomatic (≤6 Hours of Life) Infants With Early-Onset Infection Born to Women With Chorioamnionitis

Chorioamnionitis Diagnostic Criteria	Exposure to Any IAP?	Gestational Age, wk	Pathogen Isolated From Blood (Except as Noted)	Symptomatic Within 72 Hours of Birth?	Antibiotic Therapy Initiated Within 8 Hours of Culture?	Blood culture obtained for chorioamnionitis evaluation?	Number of days antibiotic treatment received
Clinical only	No	38	Group B Streptococcus	No	No	Yes	7
Clinical only	Yes	40	Group B Streptococcus	No	Yes	Yes	6
Clinical only	Yes	38	Group B Streptococcus	No	Yes	Yes	11
Histologic and clinical	Yes	40	Group B Streptococcus	No	Yes	Yes	8
Clinical only	No	37	Group B Streptococcus	Yes	Yes	Yes	8
Histologic and clinical	Yes	42	Group B Streptococcus	Yes	Yes	Yes	8
Histologic and clinical	Yes	39	Group B Streptococcus	Yes	Yes	Yes	7
Clinical only	Yes	40	Group B Streptococcus	No	Yes	Yes	7
Histologic and clinical	Yes	40	Group B Streptococcus	No	Yes	Yes	8
Clinical only	Yes	38	Group B Streptococcus	No	Yes	Yes	7
Clinical only	Yes	40	Group B Streptococcus	No	Yes	Yes	8
Histologic and clinical	Yes	41	Group B Streptococcus	No	Yes	Yes	8
Histologic and clinical	Yes	40	Group B Streptococcus	No	Yes	No	15
Clinical only	Yes	40	Group B Streptococcus	No	Unknown	Yes	8
Clinical only	Yes	40	Group B Streptococcus	Yes	Yes	Yes	11
Clinical only	Yes	40	Enterococcus faecalis	No	Yes	Yes	7
Histologic and clinical	No	41	Enterococcus faecalis	No	No	Yes	15
Clinical only	Yes	39	Bacillus sp	No	No	Yes	8
Histologic only	No	39	Streptococcus mitis	Yes	Yes	No	8
Histologic and clinical	Yes	40	Haemophilus influenzae	No	No	No	22
Histologic and clinical	No	39	Group D Streptococcus	No	Yes	Yes	4
Clinical only	Yes	40	Viridans streptococci (cerebrospinal fluid)	No	Yes	Yes	15
Histologic and clinical	Yes	40	Staphylococcus aureus	No	No	Yes	7
Histologic and clinical	Yes	36	E coli	Yes	Yes	Yes	7
Histologic and clinical	Yes	36	Group B Streptococcus	No	No	Yes	12
Histologic only	Yes	33	Group B Streptococcus	No	No	No	11
Histologic only	Yes	36	Group B Streptococcus	No	Yes	No	14
Histologic only	No	36	Streptococcus pneumoniae	Yes	No	No	13
Histologic only	No	31	Viridans streptococci	Yes	Yes	Not known	10