Table 3

 NAT2 genotype with clinical features of the colorectal cancer group

nNAT2 genotype% SlowAllele frequencies
FastIntermediateSlowNAT2*4NAT2*5NAT2*6BNAT2*7A
Cancer group2751486175640.210.470.300.02
Control group34325115203590.240.460.280.02
Cancer group only
Sex
 Male14053897690.180.480.320.02
 Female13594779590.240.460.290.01
Age of onset
 <7013153393710.160.490.330.02
 ⩾7014495382570.240.460.280.02
Side
 Right9743657590.230.460.290.02
 Left1781049119670.190.480.310.02
Dukes’s stage
 A3201121660.170.530.270.03
 B12754379620.220.440.320.02
 C11693176660.210.490.290.01