impetigo: A pyoderma consisting of three forms of skin lesions having either a thick, adherent, recurrent, dirty yellow crust with an erythematous margin (common or superficial impetigo) or lessions which are superficial, thin-walled, and bullous as found in bullous impetigo. The lesions in bullous (staphylococcal) impetigo, which are always caused by S aureus, are superficial, thin-walled, and bullous.

Data source
FinnGen phenocode L12_IMPETIGO
Hospital Discharge registry ICD-10: L01, ICD-9: 684, ICD-8: 684|70708
Cause of Death registry ICD-10: L01, ICD-9: 684, ICD-8: 684|70708
Level in the ICD-hierarchy 3
First defined in version DF2
DOID 8504
GWAS catalog 1000714

Key figures

Sex All Female Male
Number of individuals 337 188 149
Unadjusted prevalence (%) 0.25 0.25 0.26
Mean age at first event (years) 29.7 30.6 28.55
Median number of events / individual 1 1 1

Clinical metrics

Sex All Female Male
Recurrence within 6 months (%) 4.45 4.79 4.03
Case fatality at 5-years (%) 5.93 4.26 8.05