Summary of included studies for iron biomarkers and malaria risk in pregnancy.

ANC: antenatal clinic. CQ: Chloroquine. CTX: Cotrimoxazole. EIR: Entomologic inoculation rate (# infectious bites/person/year). IPTp-SP: Intermittent presumptive treatment in pregnancy with sulfadoxine-pyrimethmine. ITN: Insecticide treated bed net. MiP: malaria in pregnancy. RCT: Randomized Controlled Trial.
aAuthor contacted and additional information was obtained.
bsTfR (μg/mL) and ferritin (ng/mL).
cSerum iron <12 μmol/L; Mean Serum Iron; Mean TIBC.
dAuthor contacted and author responded, but no additional information was available.
eTransferrin (g/L); TIBC (μmol/L); Serum Iron (μmol/L); TS (%).
fSelected based on hemoglobin status (<70 g/L, 70–90 g/L, 90–110 g/L, 110–150, and >150).
gSerum iron (μmol/L); Serum ferritin (μg/L); TIBC (μmol/L); Transferrin saturation (%).
hSerum iron (μmol/L); TS (%); Serum ferritin (μg/L); sTfR (mg/L).
iSerum ferritin (μg/L) sTfR (mg/L).
jSerum iron (μg/100 mL); Transferrin (mg/100 mL).
kSerum iron (μg/dL); Serum ferritin (ng/mL); TIBC (pg/mL).
lIron (μmol/L); TIBC (μmol/L); TS (%); Ferritin (μg/L); sTfR (mg/L).