Table 5. Genotype frequencies of IL-1β -511 and IL-8–251 polymorphisms.
| Genotypes | Total (%) | GERD (% within GERD) | Non-GERD (% within non-GERD) |
|---|---|---|---|
| IL-1β -511 | 104 | 56 | 48 |
| TT | 43 (41.4) | 21 (37.5) | 22 (45.8) |
| CC | 25 (24.0) | 14 (25.0) | 11 (22.9) |
| CT | 36 (34.6) | 21 (37.5) | 15 (31.3) |
| T carrier | 79 (76.0) | 42 (75.0) | 37 (77.1) |
| C carrier | 61 (58.7) | 35 (62.5) | 26 (54.2) |
| Allele T frequency | 122 (58.7) | 63 (56.3) | 59 (61.5) |
| Allele C frequency | 86 (41.3) | 49 (43.7) | 37 (38.5) |
| IL-8–251 | 104 | 56 | 48 |
| TT | 37 (35.6) | 18 (32.1) | 19 (39.6) |
| AA | 17 (16.3) | 7 (12.5) | 10 (20.8) |
| AT | 50 (48.1) | 31 (55.4) | 19 (39.6) |
| T carrier | 87 (83.7) | 49 (87.5) | 38 (79.2) |
| A carrier | 67 (64.4) | 38 (67.9) | 29 (60.4) |
| Allele T frequency | 124 (59.6) | 67 (59.8) | 57 (59.4) |
| Allele A frequency | 84 (40.4) | 45 (40.2) | 39 (40.6) |