. Author manuscript; available in PMC: 2010 Jul 1.

Published in final edited form as: J Infect. 2009 May 23;59(1):49–55. doi: 10.1016/j.jinf.2009.05.004

Table 1.

Characteristics of the study population

	TTSS⁺ (n=29)	TTSS⁻ (n=12)	Control (n=8)
Age, years	64.4±12.4	63.1±10.1	56±4.9
Gender (Male/Female)	21/8	7/5	3/5
Days of mechanical ventilation prior to VAP, days	15.9±5.1	11.9±2.9^*	0
Previous antibiotics, n (%)	17 (59)	7 (58)	0
APACHE II score	26.0±5.3	22.6±5.8	14.4±3.2^†
CPIS score	7.8±0.6	7.5±0.5	2.1±0.9
Comorbid diseases
Coronary artery disease	11 (38)	3 (25)	0
Diabetes Mellitus	5 (17)	2 (29)	1 (13)
Renal disease	6 (21)	1 (8)	0
Miscellaneous	8 (28)	2 (29)	1 (13)

p<0.05 comparing TTSS⁺ and TTSS⁻

^†

p<0.05 comparing TTSS⁺ and TTSS⁻ to control