Table 1. Population characteristics of Chicago and Spanish samples studied.

Characteristics	Sepsis+ALI			ALI
	AA	EA	Spanish	AA	EA	Spanish
Sample Size	71	137	80	40	74	66
Gender #	31/40	71/66	58/22	19/21	41/33	54/12
Age *	54.9±19.3	61.2±15.8	65.2±12.3	54.6±15.3	57.7±16.9	58.4±12.2
APACHE II *	27.1±7.0	28.4±7.6	22.4±5.8	28.0±7.7	29.7±7.4	20.1±5.4
Survival %	62.7	64.1	56.1	52.4	62.1	52.8
Smoking (%)	37.7	38.8	30.4	34.2	40.3	29.5
Diabetes (%)	20.0	19.7	21.4	16.7	19.0	18.6
Renal Failure (%)	29.3	19.0	–	21.4	19.0	–
Characteristics	Controls
	AA	EA	Spanish
Sample Size	182	186	95
Gender #	90/92	84/102	53/42
Age *	56.6±17.4	55.6±14.4	48.9±12.3
APACHE II *	NA	NA	NA
Survival %	NA	NA	NA
Smoking (%)	–	–	30.5
Diabetes (%)	0.0	0.0	9.5
Renal Failure (%)	0.0	0.0	–

*expressed as mean ± SD.

APACHE II: Acute Physiology and Chronic Health Evaluation.

# Male/Female.

- Data not available.