City | % | N | Population | Age range (years) | Reference |
---|---|---|---|---|---|
São Paulo State | |||||
Botucatu | 60.0 | 913 | Pregnant women | No information | [36] |
Presidente Prudente | 33.8 | 80 | Students | 18–35 | [37] |
São José do Rio Preto | 64.1 | 1006 | Pregnant women | 12–44 | [38] |
São José do Rio Preto | 74.5 | 349 | Ophthalmology | 18–88 | [39] |
São José do Rio Preto | 54 | 312 | Blood donors | 27.5 ± 6.9 | [40] |
São Paulo | 22 | 262 | Ophthalmology | 4–88 | [41] |
Araraquara | 58 | 233 | Pregnant women | 18–20 | [42] |
São Carlos | 50 | 62 | Beta-thalassemia heterozygous | 24–92 | This study |
Rio de Janeiro State | |||||
Campos dos Goytacazes | 90.0 | 110 | Ophthalmology | 6–35 | [43] |
Santa Rita de Cássia, Barra Mansa | 65.9 | 1071 | Ophthalmology | 6 months–88 | [44] |
Rio de Janeiro | 21.8 | 839 | Students | 20–30 | [45] |
Miracema | 75.1 | 832 | Pregnant women | No information | [46] |
Rio de Janeiro | 18.1 | 11 | Beta-thalassemia homozygous | 7–59 | This study |
Rio de Janeiro | 43.5 | 85 | Sickle cell anemia | 6–63 | This study |