Table 2. Associations of RDW adjusted for adverse medical outcomes.

	Mortality		ICU admission		Readmission
	OR (95%CI)	p value	OR (95%CI)	p value	OR (95%CI)	p value
Models including clinical information readily available at ED admission
Unadjusted RDW model	1.32 (1.27, 1.39)	<0.001	1.08 (1.02, 1.16)	0.013	1.11 (1.06, 1.17)	<0.001
Model 1	1.27 (1.21, 1.33)	<0.001	1.07 (1.00, 1.14)	0.068	1.11 (1.05, 1.16)	<0.001
Model 2	1.20 (1.14, 1.27)	<0.001	1.08 (1.00, 1.16)	0.028	1.08 (1.03, 1.14)	0.004
Model 3	1.19 (1.12, 1.25)	<0.001	1.06 (1.00, 1.15)	0.093	1.07 (1.02. 1.14)	0.011
Model 4	1.07 (0.98, 1.17)	0.131	0.97 (0.85, 1.10)	0.588	1.03 (0.93, 1.16)	0.489
Full model	1.02 (0.93, 1.12)	0.664	0.97 (0.84, 1.12)	0.679	1.02 (0.92, 1.15)	0.676

Model 1: RDW, age, gender. Model 2: RDW, age, gender, comorbidities. Model 3: RDW, age, gender, comorbidities, main diagnosis. Model 4: RDW, age, gender, laboratory parameters. Full model: RDW, age, gender, comorbidities, main diagnosis, laboratory parameters. OD, odds ratios; 95%CI, relative 95% confidence intervals