Comparison of Chemical and Mechanical Prophylaxis of Venous Thromboembolism in Nonsurgical Mechanically Ventilated Patients

Table 2

Baseline characteristics and comparison of the 2 groups.

	Chemical prophylaxis			Mechanical prophylaxis			value
Age (mean/SD)	329	57.45	16.67	419	58.99	16.37		0.206
Gender (/%)	329			419
Male		182	55.32%		238	56.80%
Female		147	44.68%		181	43.20%	0.685
Race (/%)	327			416
American Indian		2	0.61%		1	0.24%
Asian/Pacific Islander		4	1.22%		8	1.92%
Black		132	40.37%		130	31.25%
Latin/Hispanic		44	13.46%		52	12.50%
White		144	44.04%		223	53.61%
Other		1	0.31%		2	0.48%	0.103
APACHE II point sum (mean/SD)	288	19.8	7.78	369	20.53	7.24	0.215
Active cancer	329	33	10%	419	53	12.6%	0.265
History of DVT/PE	329	18	5.5%	419	11	2.6%	0.045
HTN (/%)	329	208	63.2%	419	239	57.0%	0.087
CAD (/%)	329	52	15.8%	419	63	15.0%	0.772
CHF (/%)	329	51	15.5%	419	44	10.5%	0.041
CVA (/%)	329	38	11.6%	419	54	12.9%	0.580
COPD (/%)	329	63	19.1%	419	43	10.3%	0.001
DM (/%)	329	112	34.0%	419	112	26.7%	0.030