TABLE 3.

CHARACTERISTICS OF ALI IN THE ARDS NETWORK PATIENT POPULATION

Characteristics	ARDSNet Patients (n = 251)
Age, yr	51.3 ± 15.6, (17–90)
Male, %	50.0
APACHE III, n	96.2 ± 29.7
Mechanical ventilation, %	100
Mortality, %	25.0
Male	26.0
Female	24.0
Source of infection, %
Lung	55.0
Peritoneum	4.0
Vascular line	4.0
Skin	2.0
GI/biliary tract	2.0
Other	33.0

Definition of abbreviations: ALI = acute lung injury; APACHE III = acute physiology, and chronic health evaluation III.

Values are means ± SD, (range), or %.