Table 2

Frequency of NAT2 alleles in the control population

AlleleLocation of nt substitutionAllele frequency
NAT2*4 Wild-type103 (23.2%)
NAT2*5A 341/48130 (6.8%)
NAT2*5B 341/481/803165 (37.2%)
NAT2*6A 282/590111 (25%)
NAT2*6B 5908 (1.8%)
NAT2*7A 8574 (0.9%)
NAT2*7B 282/85711 (2.5%)
NAT2*12A 80310 (2.3%)
NAT2*13 2821 (0.2%)
NAT2*13(B) 341/481/2821 (0.2%)