. Author manuscript; available in PMC: 2012 Jun 1.

Published in final edited form as: Crit Care Med. 2011 Jun;39(6):1251–1256. doi: 10.1097/CCM.0b013e31820a942c

Table 1.

Characteristics of the study population

Variable	Control	Aspiration syndromes	P value
	(n=7)	(n=65)
Age, years	48.2±12.6	57.3±20.7	0.15
Gender, no. (%)			1.0
Male	3 (43)	26 (40)
Female	4 (57)	39 (60)
Nursing home residents, no. (%)	0	35 (54)	0.012
Charlson Index, no. (%)			0.039
0–1	3 (43)	7 (11)
2–3	3 (43)	25 (38)
≥4	1 (14)	33 (51)
APACHE II score	21.1±3.8	28.0±5.7	<0.001
Glasgow Coma Scale	12.4±1.8	10.3±2.5	0.02
Body temperature, (^oF)	97.8±1.3	99.0±3.7	0.053
Leukocyte count, 10⁹ cells/L	11.5±3.7	16.1±6.3	0.007
Radiographic pattern, no. (%)
Unilobar infiltrates	0	45 (69)
Multilobar infiltrates	0	20 (31)