Trends in characteristics and outcomes among US adults hospitalised with COVID-19 throughout 2020: an observational cohort study.

ABSTRACT:

Objectives

To examine the temporal patterns of patient characteristics, treatments used and outcomes associated with COVID-19 in patients who were hospitalised for the disease between January and 15 November 2020.

Design

Observational cohort study.

Setting

COVID-19 subset of the Optum deidentified electronic health records, including more than 1.8 million patients from across the USA.

Participants

There were 51 510 hospitalised patients who met the COVID-19 definition, with 37 617 in the laboratory positive cohort and 13 893 in the clinical cohort.

Primary and secondary outcome measures

Incident acute clinical outcomes, including in-hospital all-cause mortality.

Results

Respectively, 48% and 49% of the laboratory positive and clinical cohorts were

SUBMITTER: Page JH 

PROVIDER: S-EPMC8886119 | biostudies-literature | 2022 Feb

REPOSITORIES: biostudies-literature