Table 1 Cut offs and case identification based on biomarkers
Biomarker | Cut-off values | Case identification |
|---|---|---|
Biomarkers of iron deficiency | ||
 Ferritin |  < 30 ng/mL | Deficient iron stores |
 sTfR |  > 2.07 µg/ml | Iron-deficient erythropoiesis |
 Hemoglobin |  < 80 g/L | Severe anemia |
80–109 g/L | Moderate anemia | |
110–119 g/L | Mild anemia | |
 < 120 g/L | Any anemia | |
Biomarkers of Vitamin A deficiency | ||
 RBP |  < 0.7 mmol/L | Vitamin A deficiency |
 < 1.05 mmol/L | Vitamin A insufficiency | |
Biomarkers of inflammation | ||
 CRP |  > 1 mg/L | Presence of inflammation |
 AGP-1a |  > 840 mg/L | Presence of inflammation |