CD4 and anemia (phenotype): The prevalence of anaemia was 16.67%, 42.50%, 55.77% and 61.14% in patients with a CD4 counts of >350, 200–350, 50–199 and <50 cells/μl, respectively, increasing with decreasing CD4 counts (P = 0.033, P = 0.001, P < 0.001).