Table 1.

Patient Demographics, Clinical Characteristics, and In-Hospital Mortality^*

Variables	Pulmonary Sepsis (n = 163)	Nonpulmonary Sepsis (n = 125)	P Value†
Age, yr	51 (41, 61)	55 (46, 64)	0.06
Female gender	47	46	0.78
Race
Black	44	39	0.12
White	55	56
Other	1	5
Charlson comorbidity index	2.0 (1.0, 4.0)	2.0 (1.0, 4.0)	0.61
APACHE II score at ICU admission	25 (19, 33)	29 (24, 36)	0.0002
Lung injury score at ALI diagnosis	2.7 (2.0, 3.3)	2.3 (2.0, 3.0)	0.02
ICU LOS prior to ALI diagnosis	0 (0, 2)	1 (0, 2)	0.02
Hospital LOS prior to ALI diagnosis	2 (1, 5)	2 (1, 5)	0.20
SOFA score at ALI diagnosis	8.0 (5, 11)	11 (9, 15)	< 0.0001
In-hospital mortality	42	66	< 0.0001

^*Data are presented as median (interquartile range) or %.

^†Calculated using Student t test for continuous data that appeared normally distributed, the Kruskal-Wallis test for variables that did not appear normally distributed, and the χ² test for categorical data.