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Table 2 Global population frequencies of UGT1A1*28

From: The clinical application of UGT1A1pharmacogenetic testing: Gene-environment interactions

Continent

Ethnicity

Frequency of UGT1A1*28 homozygotes (%)

Ref.

Europe

Scottish

12

1, 28

 

Italian

9; 16

16; 28

 

Dutch

12

29

 

Spanish

10

30

North America

Canadian Eskimos

18

31

 

Caucasian American

9

14

 

African-American

23

1

South America--Brazil

Caucasian-descendant

13

32

 

African-descendant

17

32

 

Parakanã Indian

3

32

Africa

Egyptian

8

1

 

Côte d'Ivoire

8

33

 

Kenyan (Luo)

18

33

 

Madagascan

6

33

Asia

Chinese

2

34

 

Dong origin

1

35

 

Han origin

1

35

 

She origin

<1

35

 

Indian

13

1, 34

 

Thai

1

36

 

Japanese

<3

31, 37

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Human Genomics

ISSN: 1479-7364