From: The red ear syndrome
 | Primary RES | Secondary RES |
---|---|---|
Number | 74 | 26 |
Median age of onset * | 34 years (range: 5–74) | 45 years (range: 9–76) |
Gender | Females: 37 (51%) | Females: 17 (65%) |
Males: 36 (49%) | Males: 9 (35%) | |
RE episodes: frequency *** | ≥ 1 attack/day: 17 (53%) | ≥ 1 attack/day: 17 (77%) |
< 1 attack/day: 15 (47%) | < 1 attack/day: 5 (23%) | |
RE episodes: duration ** | <4Â hours: 47 (94%) | <4Â hours: 13 (68%) |
>4Â hours: 3 (6%) | >4Â hours: 6 (32%) | |
Triggered attacks | 16/74 (22%) | 18/26 (69%) |
Personal history of migraine | 60/74 (81%) | 6/26 (23%) |