Table 4 Chronotype distribution in the present cohort of 74 CH patients in percent, as well as chronotypes described in a Danish CH population and their healthy controls
From: Lack of association between cluster headache and PER3 clock gene polymorphism
Norwegian CH patients (%) | Danish CH patients (%) | Danish controls (%) | |
|---|---|---|---|
Evening type (MEQ scores 16–52) | 51 | 45 | 42 |
Neither type (MEQ scores 53–64) | 37 | 43 | 41 |
Morning type (MEQ scores 65–86) | 12 | 12 | 17 |
Total number (N) | 74 | 275 | 145 |