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. 2021 Feb 11;16(2):e0246736. doi: 10.1371/journal.pone.0246736

Table 2. Medical history.

Medical history n %
Medical condition
    No 1,179 98.3
    Yes 21 1.8
        Allergy 14 1.2
        Asthma 2 0.2
        Peptic ulcer 5 0.4
Having anemia
    No 1,187 98.9
    Yes 13 1.1
        Receiving blood transfusion 0 0.00
Having a family member receiving blood transfusion for anemia
    No 1,200 100.0
    Yes 0 0.0
Having relatives receiving blood transfusion for anemia
    No 1,200 100.0
    Yes 0 0.0
Having taken ferrous sulfate
    No 15 1.3
    Yes 1,185 98.7