The incidence of psoriasis in Chile: an analysis of the national Waiting List Repository – DocWire News

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Clin Exp Dermatol. 2021 Apr 29. doi: 10.1111/ced.14713. Online ahead of print.

ABSTRACT

BACKGROUND: Psoriasis is a serious, chronic non-communicable disease. However, the fundamental measure of disease occurrence, incidence, has been scarcely reported globally. There are no previous studies of psoriasis incidence in Latin America.

OBJECTIVE: This study aims to estimate incidence rates of psoriasis in Chile during 2016 and 2017 using an administrative database, the Waiting List Repository.

METHODS: We examined referrals of psoriasis at onset, made by physicians to dermatologists, evaluated the agreement of diagnosis, and estimated the incidence of the disease considering the eligible population at risk.

RESULTS: The referrals corresponded to incident cases of psoriasis 73.3% (95% CI: 66.6% 79.2%) of the time. National incidence rates of psoriasis were 22.1 (95% CI:21.1-23.1) and 22.7 (95% CI:21.8-23.6) per 100,000 person-years in 2016 and 2017. The most common type of psoriasis was the late-onset type. We observed a high variation in the figures throughout the country, with a range from 0.75 (95% CI: 0.3-1.5) to 164.9 (95% CI: 138.6-195.1) per 100,000 person-years at the Metropolitan and Aysen region, respectively.

CONCLUSIONS: We describe, for the first-time, the incidence of psoriasis in a Latin American country. Our findings could potential guide collaborations to improve our global understanding of psoriasis in Latin America.

PMID:33914930 | DOI:10.1111/ced.14713

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The incidence of psoriasis in Chile: an analysis of the national Waiting List Repository - DocWire News