TABLE 2

Characteristics of Infants With Adverse Events

Patient	Age, d	Ill Appearance	Culture Results	Adverse Event	Clinical Course
1	45	No	Blood: negative, CSF: negative, urine: negative, MEE: not obtained	Lymphadenitis	Initially discharged from the hospital on amoxicillin. Twenty days after index ED visit, returned with cervical lymphadenitis and perforated AOM, confirmed by an otolaryngologist. Hospitalized and treated with IV and otic antibiotics.
2	32	Yes	Blood: negative, CSF: negative, urine: negative, MEE: Staphylococcus aureus	Culture-negative sepsis	Presented with severe illness during the index ED visit. AOM confirmed by an otolaryngologist. Source of culture-negative sepsis thought to be severe milk protein allergy. Hospitalized and treated with IV and otic antibiotics.