Table 4.

Condition Specific Rates of Inpatient Admission following Observation Unit Care

	King's County Downstate Brooklyn	Children's Hospital Buffalo	Connecticut Children's	John Hopkin's Bayview†	Children's Hospital of Philadelphia	Primary Children's Medical Center Salt Lake City
Unscheduled Care	42%	17%	11%	25%	25%	15%
Respiratory		32%
Asthma	57%		16%	26%	22%	22–25%*
Pneumonia				50%	23%	30–48%
Bronchiolitis				46%	32%	43%
Croup			9%	17%	9%	4–6%
Allergic reaction					3%
Cardiology					22%
Gastrointestinal	43%	19%
Vomiting			5%			22%
Gastro/Dehydration				23%	15%/21%	16% *
Abdominal pain				9%	17%	27%
Constipation						9%
Diabetes					17%
Neurologic		10%
Seizure			19%	8%	17%	18%
Head Injury					7%	5% *
Infection		19%		34%
Sepsis evaluation					25%	22%
UTI/pyelonephritis					25%	16%
Cellulitis						15%
Fever					16%	26%
Pharyngitis					13%
Otitis media					21%
Ingestion/Poisoning	9%	4%	4%	9%	10%	5%
Hematologic					23%
Transfusion/Infusion						2%
Psych/social		21%		80%	17%
Dental					14%
Surgical conditions
Foreign Body					53%	5%
Trauma		13%		2%
Burn				13%
Orthopaedic Injury					22%	3%
Post-op complication					26%	16%
Scheduled Care
Diagnostic work-up						0–5%
Procedures/sedation						0.1–9%
Elective surgery		13%				0–5%

% indicates the percentage of children cared for in the OU with a given condition who went on to require inpatient admission.

^*Admissions within 48–72 hours of OU discharge were counted as cases requiring inpatient admission from the index OU stay.

^†Including transfers to tertiary care hospital.