Table 8

Genotype frequencies for CYP1A1 and NAT2

A. CYP1A1Caucasians (n = 3814)Asians (n = 626)Africans (n = 445)
*1/*1 0.7950.3950.432
*1/*2A 0.1010.1930.285
*1/*2C 0.03150.02080.0135
*1/*2B 0.05820.2460.0315
*2A/*2A 0.00520.01280.0517
*2C/*2C 0.00210.00160
*2B/*2B 0.00130.04630
*2B/*2C 0.00160.00640
*2A/*2B 0.00450.07830.0045
*1/*3 000.135
*3/*3 000.0045
*2A/*3 000.0427
B. NAT2Caucasians (n = 3846)NAT2 subtypesCaucasians (n = 1164)
*4/*4 0.0725 *4/*5A 0.0306
*4/*5 0.210 *4/*5B 0.16
*4/*6 0.133 *4/*5C 0.017
*4/*7 0.0104 *5A/*5A 0.0596
*5/*5 0.219 *5B/*5B 0.117
*6/*6 0.0655 *5C/*5C 0.0036
*7/*7 0.001 *5A/*5B 0.024
*5/*6 0.255 *5A/*5C 0.0057
*5/*7 0.0174 *5B/*5C 0.0083
*6/*7 0.0169 *5A/*6A 0.0227
*5B/*6A 0.216
*5C/*6A 0.016