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Table 2 Distribution of TAS2R38 diplotype by age and race/ethnicity

From: Age modifies the genotype-phenotype relationship for the bitter receptor TAS2R38

Race Age group AVI/AVI AAI/AVI AAV/AVI AAV/AAI AAI/AAI AAV/AAV AVI/PAV AAI/PAV AAV/PAV AAI/PAI PAV/PVI PAV/PAI PAV/PAV Total
Caucasian Children 32 2 8 0 0 0 60 1 10 0 0 0 21 134
  Adolescents 2 0 0 0 0 0 6 0 1 0 0 0 3 12
  Adults 37 1 5 1 0 0 60 1 6 0 0 0 25 136
  Total 71 3 13 1 0 0 126 2 17 0 0 0 49 282
  Percent 25 1 5 <1 0 0 45 <1 6 0 0 0 18  
African-American Children 35 26 2 0 7 0 73 39 5 0 0 1 44 232
  Adolescents 8 10 0 1 6 0 22 15 1 0 1 0 7 71
  Adults 31 29 4 0 9 0 86 37 10 1 1 0 37 245
  Total 74 65 6 1 22 0 181 91 16 1 2 1 88 548
  Percent 14 12 1 <1 4 0 33 17 2 <1 <1 <1 16  
Other Children 14 8 3 0 0 1 28 9 2 0 0 0 17 82
  Adolescents 3 2 0 0 1 0 5 2 1 0 0 0 3 17
  Adults 10 6 0 1 0 0 18 2 1 0 0 0 13 51
  Total 27 16 3 1 1 1 51 13 4 0 0 0 33 150
  Percent 18 11 2 <1 <1 <1 34 9 3 0 0 0 22  
All Total 172 84 22 3 23 1 358 106 37 1 2 1 170 980
  Percent 18 9 2 <1 2 <1 37 11 4 <1 <1 <1 17  
  1. The number of children, adolescents, and adults by race/ethnicity and diplotype. Other = includes Asian, Hispanic and Mixed ancestry. The most common diplotypes are in bold text.