Epidemiologic Analysis of Chilblains Cohorts Before and During the COVID-19 Pandemic.

ABSTRACT:

Importance

Beginning in March 2020, case reports and case series linked the COVID-19 pandemic with an increased occurrence of chilblains, but this association has not been evaluated in an epidemiologic study.

Objective

To assess whether a correlation exists between COVID-19 incidence and chilblains incidence.

Design, setting, and participants

A retrospective cohort study was conducted within the Kaiser Permanente Northern California system from January 1, 2016, to December 31, 2020; health plan members of all ages were included.

Exposure

COVID-19 incidence in 207 location-months, representing 23 geographic locations in northern California across 9 months.

Main outcome and measures

Chilblains incidence was the main outcome. The association of chilblains i

SUBMITTER: McCleskey PE 

PROVIDER: S-EPMC8223123 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature