Table 1: Patient clinical characteristics and outcomes, (N = 313).

Clinical characteristic

Age, median (25–75% interquartile range)3.4 yrs (1d–18 yrs)
Male,% (n)56% (176)
PaO2/FiO2 at ALI onset#161 ± 74
Diagnoses associated with ALI, % (n)
 Pneumonia36% (112)
 Aspiration16% (50)
 Sepsis12% (39)
 Near drowning9% (28)
 Cardiac*7% (22)
 Other20% (62)
Nonpulmonary organ system failures at ALI onset1.4 ± 1.5
PRISM III at ALI onset#10.3 ± 8.7
Exhaled TV (cc/kg IBW)# 10.1 ± 4.3 cc/kg
Ventilator free days14.8 ± 10.6 d
Mortality, % (n)21% (67)

#Mean ± standard deviation.
*Patients with any intracardiac shunts and/or left sided heart failure excluded.