Table 2.
NAT1 genotype frequency.
| NAT1 Genotype | Sporadic-CRC | IBD benign | IBD dysplasia/cancer | Control | ||||
| No. | % | No. | % | No. | % | No. | % | |
| NAT1*4/*4 | 73 | 59.35 | 205 | 55.7 | 9 | 60 | 131 | 58.75 |
| NAT1*4/*10 | 28 | 22.77 | 104 | 28.3 | 6 | 40 | 61 | 27.35 |
| NAT1*10/*10 | 9 | 7.32 | 18 | 4.89 | 9 | 4.03 | ||
| NAT1*4/*14A or *10/*14B | 4 | 3.25 | 13 | 3.53 | 7 | 3.14 | ||
| NAT1*4/*11B | 0 | 0 | 6 | 1.63 | 5 | 2.24 | ||
| NAT1*4/*14B | 2 | 1.63 | 3 | 0.81 | 2 | 0.9 | ||
| NAT1*10/*11B | 1 | 0.81 | 2 | 0.54 | 2 | 0.9 | ||
| NAT1*4/*3 | 2 | 1.63 | 3 | 0.81 | 1 | 0.45 | ||
| NAT1*4/*15 | 0 | 0 | 1 | 0.27 | 1 | 0.45 | ||
| NAT1*4/*11A or *3/*11B | 1 | 0.81 | 0 | 0 | 1 | 0.45 | ||
| NAT1*3/*11A | 0 | 0 | 0 | 0 | 1 | 0.45 | ||
| NAT1*10/*15 | 0 | 0 | 0 | 0 | 1 | 0.45 | ||
| NAT1*4/*17 | 0 | 0 | 6 | 1.63 | 1 | 0.44 | ||
| NAT1*3/*3 | 1 | 0.81 | 2 | 0.54 | 0 | 0 | ||
| NAT1*10/*17 | 0 | 0 | 2 | 0.54 | 0 | 0 | ||
| NAT1*10/*22 | 1 | 0.81 | 1 | 0.27 | 0 | 0 | ||
| NAT1*4/*22 | 0 | 0 | 1 | 0.27 | 0 | 0 | ||
| NAT1*3/*14A | 1 | 0.81 | 0 | 0 | 0 | 0 | ||
| NAT14A/*22 | 0 | 0 | 1 | 0.27 | 0 | 0 | ||
| Total | 123 | 368 | 15 | 223 | ||||
Genotypes listed by order of decreasing frequency in control group
IBD: inflammatory bowel disease
CRC: colorectal cancer