Table 3.

Relationship between RDW and poor prognosis at 3 months after AIS in different models

Exposure	Model 1 OR (95%CI) P value	Model 2 OR (95%CI) P value	Model 3 OR (95%CI) P value
RDW (per 1 unit increase)	1.26 (1.17, 1.35) < 0.0001	1.24 (1.15, 1.33) < 0.0001	1.12 (1.03, 1.23) 0.0120
RDW tertiles
Low	Ref	Ref	Ref
Middle	1.03 (0.80, 1.33) 0.8263	0.97 (0.75, 1.26) 0.8262	0.85 (0.62, 1.16) 0.3142
High	1.75 (1.36, 2.25) < 0.0001	1.55 (1.19, 2.01) 0.0010	1.08 (0.78, 1.50) 0.6371
P for trend	1.35 (1.18, 1.53) < 0.0001	1.26 (1.11, 1.44) 0.0005	1.05 (0.89, 1.23) 0.5782

Model 1: Non-adjusted model

Model 2: Adjusted for age and gender

Model 3: Adjusted for age, gender, BMI, current smoking, WBC, RBC, ESR, TC, TG, HDL, LDL, BUN, ALB, hs-CRP, INR, initial NIHSS score, previous stroke/TIA, hypertension, diabetes, hyperlipidemia, atrial fibrillation, stroke etiology