Vitamin B12 deficiency anaemia
Description
pernicious anemia: Megaloblastic anemia caused by vitamin B-12 deficiency due to impaired absorption. The impaired absorption of vitamin B-12 is secondary to atrophic gastritis and loss of gastric parietal cells.
Data source
| FinnGen phenocode | D3_ANAEMIA_B12_DEF |
| Hospital Discharge registry | ICD-10: D51, ICD-8: 281[0-1] |
| Cause of Death registry | ICD-10: D51, ICD-8: 281[0-1] |
| KELA reimboursements codes | 107 |
| Level in the ICD-hierarchy | 3 |
| First defined in version | DF2 |
Key figures
| Sex | All | Female | Male |
| Number of individuals | 1034 | 575 | 459 |
| Unadjusted prevalence (%) | 0.78 | 0.77 | 0.8 |
| Mean age at first event (years) | 59.6 | 57.94 | 61.69 |
| Median number of events / individual | 1 | 1 | 1 |
Clinical metrics
| Sex | All | Female | Male |
| Recurrence within 6 months (%) | 12.28 | 12.52 | 11.98 |
| Case fatality at 5-years (%) | 7.25 | 4.35 | 10.89 |