Skip to main content

Table 4 Characteristics of primary and secondary forms of red ear syndrome (RES)

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 ** <4 hours: 47 (94%) <4 hours: 13 (68%)
>4 hours: 3 (6%) >4 hours: 6 (32%)
Triggered attacks 16/74 (22%) 18/26 (69%)
Personal history of migraine 60/74 (81%) 6/26 (23%)
  1. *The median age of onset in primary RES is based on 34 patients for whom clear cut data were available.
  2. **Clear cut duration of attacks was available for 50 patients with primary RES and 19 patients with secondary RES.
  3. ***Data on attack frequency were available for 32 and 22 patients with respectively primary and secondary RES.