Frequency distribution of KIR genotypes and haplotypes among Helicobacter pylori-positive and H. pylori-negative patients
| H. pylori negative | H. pylori positive | |||
|---|---|---|---|---|
| Genotype | n | Per cent | n | Per cent |
| AA | 9 | 18 | 22 | 43.14 |
| AB | 31 | 62 | 21 | 41.18 |
| BB | 10 | 20 | 8 | 15.68 |
| Total | 50 | 100 | 51 | 100 |
| Haplotype | H. pylori negative | H. pylori positive |
|---|---|---|
| A | 49 | 65 |
| B | 51 | 37 |
| A:B ratio | 0.96:1 | 1.76:1 |
KIR, killer immunoglobulin-like receptors.