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Table 2 Ancestral group frequencies among investigated states. AMR – Amerindian, AFR – African, EUR – European, ASI – Non-Amerindian Asian

From: mtDNA structure: the women who formed the Brazilian Northeast

Populations Number Frequency (%)
AMR (N) AFR (N) EUR (N) ASI (N)
Piauí North 45 51 (23) 31 (14) 11 (05) 7 (03)
Central-North 42 69 (29) 24 (10) 7 (03) -
Southeast 42 39 (17) 43.9 (18) 17.1 (07) -
Southwest 45 48.9 (22) 46.7 (21) 4.4 (02) -
Total   174 52.3 (91) 36.2 (63) 9.8 (17) 1.7 (03)
Ceará   52 51.9 (27) 30.8 (16) 11.5 (06) 5.8 (03)
Rio Grande do Norte East 193 45.6 (88) 35.8 (69) 15.5 (30) 3.1 (06)
Agreste 26 50 (13) 34.6 (09) 11.5 (03) 3.8 (01)
Central 29 44.8 (13) 20.7 (06) 24.1 (07) 10.3 (03)
West 28 42.9 (12) 46.4 (13) 10.7 (03) -
Total   276 45.7 (126) 35.1 (97) 15.6 (43) 3.6 (10)
Paraíba   21 38.1 (8) 38.1 (08) 23.8 (05) -
Pernambuco 64 30.3 (18) 40.8 (26) 28.9 (20) -
Alagoas   169 33.1 (56) 45.6 (77) 21.3 (36) -
Sergipe   4 75 (03) 25 (01) - -
Bahia   7 71.4 (05) 28.6 (02) - -
Total   767 43.5 (334) 37.8 (290) 16.6 (127) 2.1 (16)