Odds ratios (ORs) of prior iron-deficiency anemia by stroke subtype among sampled patients.

*** p<0.001; CI, confidence interval; aORs were calculated by using conditional logistic regression (stratified on sex and age); bAdjusted for patient’s monthly income, geographic region, hypertension, diabetes, hyperlipidemia, tobacco use disorder, alcohol abuse/alcohol dependence syndrome, coronary heart disease, heart failure, and atrial fibrillation.