TF and nutritional deficiency disease: Regarding malnutrition status, of the 414 study participants, 31.2% had low iron levels, 28.0% had low ferritin levels, 3.6% had low transferrin, 46.4% had low transferrin saturation levels, 6.5% had low calcium levels, 5.8% had low vitamin A levels, 0.2% had low zinc levels, 1.9% had low magnesium levels, 7.7% had low phosphate levels, 8.0% had low albumin levels, and 0.2% had low total protein levels (Table 2).