Table 1.
Basic demographics of participants
| Characteristics | N | Mean age ± SD (yr) | Male, n (%) | P value |
|---|---|---|---|---|
| Cluster headache GWAS | ||||
| Discovery cohort | ||||
| Cluster headache | 359 | 36.39 ± 10.58 | 293 (81.62%) | 0.335 |
| Controls | 4,786 | 42.98 ± 7.56 | 4,000 (83.58%) | |
| Replication cohort | ||||
| Cluster headache | 375 | 36.74 ± 10.61 | 298 (79.47%) | 0.159 |
| Controls | 5,060 | 42.84 ± 7.58 | 4,012 (79.29%) | |
| Combined analysis | ||||
| Cluster headache | 734 | 36.57 ± 10.59 | 591 (80.52%) | 0.566 |
| Controls | 9,846 | 42.91 ± 7.57 | 8,012 (81.37%) | |
| Migraine cohort for computation of genetic correlation with cluster headache | ||||
| Migraineurs | 3,173 | 38.51 ± 11.77 | 638 (20.11%) | < 0.001 |
| Controls | 24,528 | 43.31 ± 7.55 | 8,013 (32.67%) | |
P p value for sex ratio (by chi-square test)