Alopecia areata
Description
alopecia areata: Loss of scalp and body hair involving microscopically inflammatory patchy areas.
Data source
| FinnGen phenocode | L12_ALOPECAREATA |
| Hospital Discharge registry | ICD-10: L63, ICD-9: 7040B/7040C, ICD-8: 70400 |
| Cause of Death registry | ICD-10: L63, ICD-9: 7040B/7040C, ICD-8: 70400 |
| Level in the ICD-hierarchy | 3 |
| First defined in version | DF2 |
Key figures
| Sex | All | Female | Male |
| Number of individuals | 155 | 122 | 33 |
| Unadjusted prevalence (%) | 0.12 | 0.16 | 0.06 |
| Mean age at first event (years) | 41.71 | 42.4 | 39.15 |
| Median number of events / individual | 2 | 2 | 1 |
Clinical metrics
| Sex | All | Female | Male |
| Recurrence within 6 months (%) | 45.16 | 46.72 | 39.39 |
| Case fatality at 5-years (%) | 0.0 | 0.0 | 0.0 |