Table 3.

Odds ratio of rehospitalization according to hemoconcentration status using logistic regression

	Hemoconcentration negative	Hemoconcentration positive	P
Crude	1.00	0.46 (0.13-2.50)	0.45
Model 1	1.00	0.58 (0.13-2.61)	0.47
Model 2	1.00	0.64 (0.14-3.03)	0.57
Model 1: adjustment for age and sex
Model 2: adjustment for age, sex, ischemic heart disease history, diabetes mellitus history, hypertension history, and renal problems history