Unadjusted and adjusted odds ratio (OR) for anemia by cutoffs of 25-Hydroxyvitamin D.

Model 1: unadjusted Model 2: adjusted for age, gender and season of blood drawing Model 3: adjusted as in model 2 and for concomitant diseases, medications, smoking, body mass index and left ventricular ejection fraction Model 4: adjusted as in model 3 and for kidney function (eGFR) and inflammatory process (CRP) Unadjusted and adjusted odds ratio (OR) for anemia by cutoffs of 25-Hydroxyvitamin D.