TTR and anemia (phenotype): Low serum prealbumin (aOR = 0.92; 95% CI: 0.90–0.94; p < 0.001), low folate (aOR = 0.97; 95% CI: 0.96–0.98; p < 0.001), and low ferritin levels (aOR = 0.99; 95% CI: 0.996–0.999; p < 0.001) were also identified as independent variables foe anemia prevalence (Table 8).