Table 1.

Click here to download high resolution image

	Pediatric patients no. (%)	Pediatric patients no. (%)
Demographics
Number of subjects	32 (88.8%)	4 (12.2%)
Median age (range)	12 months (24 days to 8 years)	58 years (20–86 years)
Male	22 (66.7%)	2 (50%)
African-American	10 (31.3%)	2 (50%)
Caucasion	17 (53.1%)	2 (50%)
Underlying conditions
Prematurity (<37 weeks)	10 (31.3%)	N/A
Cardiac diseasea	6 (18.8%)	2 (50%)
Immunodeficiencyb	3 (9.3%)	0
Pulmonary diseasec	3 (9.3%)	4 (100%)
Clinical signs and symptoms
Respiratory findingsd	28 (87.5%)	3 (75%)
Cough	24 (75.0%)	2 (50%)
Rhinorrhea	20 (62.5%)	2 (50%)
Fever > 38.0 °C	17 (53.1%)	1 (25%)
Tachycardia	13 (40.6%)	0
Gastrointestinal symptoms	11 (34.3%)	0
Hospitalization
Hospitalized	27 (84.4%)	4 (100%)
Median hospital days (range)	3 days (1–8 days)	1.5 days (1–4 days)
Admitted to ICU	9 (28.1%)	0
Median ICU days (range)	2 days (1–5 days)	N/A
Oxygen therapy	10 (31.3%)	0

^aPediatric diagnoses include multifocal atrial tachycardia, ventricular septal defect,atrial septal defect, patent ductus arteriosus, and hypoplastic left heart. In adults, diagnoses include heart failure, atrial fibrillation/flutter, and prosthetic mitral and tricuspid values.

^bInclude Kippel–Feil syndrome with asplenia, neutropenia secondary to chemotherapy, and common variable immune deficiency.

^cIn pediatric patients, excludes lung disease associated with prematurity. Includes asthma and Hunter's disease. In adults, includes asthma, chronic obstructive pulmonary disease, transudative pleural effusion, and restrictive lung disease.

^dSpecific respiratory findings (number, %) -Pediatric patients respiratory distress (13, 40.6%), hypoxia (9, 28.1%), ronchi (10, 31.2%), wheeze (8, 25.0%), tachypnea (8, 25.0%), rales (7, 21.8%), cyanosis (4, 12.5%), apnea (3, 9.3%). Adult patients: tachypnea (3, 75%), wheeze (2, 50%), rales (1, 25%), and hypoxia (1, 25%).