Chloasma

obsolete_incontinentia pigmenti achromians: a dermal melanocytic condition affecting the shoulder area. Nevus of Ito often occurs in association with nevus of Ota in the same patient but is much less common, although the true incidence is unknown.

Endpoint definition

Name L12_CHLOASMA
Long name Chloasma
Hospital Discharge registry ICD-10: L811, ICD-9: 7090A, ICD-8: 7090[0-2]
Cause of Death registry ICD-10: L811, ICD-9: 7090A, ICD-8: 7090[0-2]
Level in the ICD-hierarchy 4
First defined in version DF2
Latin name Chloasma

Summary Statistics

Key figures

All Female Male
Number of individuals 50 44 6
Unadjusted prevalence (%) 0.02 0.04 0.01
Mean age at first event (years) 48.73 49.09 46.02
Case fatality at 5-years (%) 0.00 0.00 0.00

Longitudinal metrics

All Female Male
Median nb. of events per indiv. 1.0 1.0 1.0
Recurrence at 6 months (%) 20.00 22.73 -

Survival analyses between endpoints

Plot

before Chloasma
after Chloasma

Loading survival analyses plot…