Table 1.
Results from the genotype and allele analysis
| SNP | Genotype/Allele | Controls % (n) | CH % (n) | χ2 (df) | OR (95% CI) | p-value |
|---|---|---|---|---|---|---|
| rs1835740 | CC | 66.6 (379) | 61.7 (334) | |||
| CT | 29.7 (169) | 32.3 (175) | ||||
| TT | 3.7 (21) | 5.9 (32) | 4.524 (2) | – | 0.1 | |
| C | 81.5 (927) | 77.9 (843) | ||||
| T | 18.5 (211) | 22.1 (239) | 4.102 (1) | 1.25 (1.01–1.53) | 0.043 | |
| rs2651899 | TT | 33.2 (189) | 37.1 (199) | |||
| TC | 49.6 (283) | 45.3 (243) | ||||
| CC | 17.2 (98) | 17.5 (94) | 2.340 (2) | – | 0.31 | |
| T | 58.0 (661) | 59.8 (641) | ||||
| C | 42.0 (479) | 40.2 (431) | 0.676 (1) | 0.93 (0.78–1.1) | 0.41 |
SNP single nucleotide polymorphism, n number, CH cluster headache, χ2 chi-squared, df degrees of freedom, OR odds ratio, 95% CI 95% confidence interval