Table 3 Side of pain, laterality, side shifts (%, N = 302, unless otherwise indicated)
From: Cluster headache in Greece: an observational clinical and demographic study of 302 patients
Total | ECH | CCH | Men | Women | |
|---|---|---|---|---|---|
Strictly unilateral (%) | 87.4 | 86.3 | 91.1 | 86.4 | 90.8 |
Strictly left (%) | 40.4 | 39.7 | 42.6 | 40.9 | 38.5 |
Strictly right (%) | 47.0 | 46.6 | 48.5 | 45.6 | 52.3 |
Side shift between bouts (%) (N = 299) | 9.0 | 10.4 | 4.4 | 9.8 | 6.2 |
Side shift within bouts (%) (N = 301) | 3.0 | 2.1 | 5.9 | 3.4 | 1.5 |
Side shift within attacks (%) | 1.7 | 0.9 | 4.4 | 2.1 | 0.0 |