Comparisons of cranial autonomic symptoms between patients with migraine and cluster headache with at least one cranial autonomic symptom item
| Migraine (n = 437) | CH (n = 95) | p Value | |
| Conjunctival injection and/or lacrimation (n (%)) | 247 (56.5) | 90 (94.7) | <0.001 |
| Conjunctival injection | 104 (23.8) | 59 (62.1) | <0.001 |
| Lacrimation | 193 (44.2) | 90 (94.7) | <0.001 |
| Nasal congestion and/or rhinorrhoea (n (%)) | 157 (35.9) | 73 (76.8) | <0.001 |
| Nasal congestion | 110 (25.2) | 43 (45.3) | <0.001 |
| Rhinorrhoea | 94 (21.5) | 62 (65.3) | <0.001 |
| Eyelid oedema (n (%)) | 68 (15.6) | 20 (21.1) | 0.192 |
| Forehead/facial sweating (n (%)) | 226 (51.7) | 54 (56.8) | 0.364 |
| Presence of more than one item of CAS (n (%)) | 210 (48.1) | 86 (90.5) | <0.001 |
| No of CAS items (mean (SD)) | 1.8 (1.1) | 3.5 (1.4) | <0.001 |
CAS, cranial autonomic symptoms; CH, cluster headache.