Risk factors for COVID-19 hospitalization after COVID-19 vaccination: a population-based cohort study in Canada.

ABSTRACT:

Objectives

With the uptake of COVID-19 vaccines, there is a need for population-based studies to assess risk factors for COVID-19-related hospitalization after vaccination and how they differ from unvaccinated individuals.

Methods

We used data from the British Columbia COVID-19 Cohort, a population-based cohort that includes all individuals (aged ≥18 years) who tested positive for SARS-CoV-2 by real-time reverse transcription-polymerase chain reaction from January 1, 2021 (after the start of vaccination program) to December 31, 2021. We used multivariable logistic regression models to assess COVID-19-related hospitalization risk by vaccination status and age group among confirmed COVID-19 cases.

Results

Of the 162,509 COVID-19 cases included in the analysis, 8,546 (5.

SUBMITTER: Velasquez Garcia HA 

PROVIDER: S-EPMC9731811 | biostudies-literature | 2022 Dec

REPOSITORIES: biostudies-literature