Seasonal variation in hospitalization outcomes in patients admitted for heart failure in the United States.

ABSTRACT:

Background

There is lack of evidence of the impact of varying season on heart failure (HF) hospitalization outcomes in the U.S.

Hypothesis

HF hospitalization outcomes exhibit significant seasonal variation in the U.S.

Methods

Using data from the National Inpatient Sample (2011-2013), seasonal variation was classified based on meteorological classification of Northern Hemisphere-Spring, Summer, Fall, & Winter-and analysis was conducted via multivariable-adjusted mixed-effect model.

Results

An estimated 2.8 million adults were hospitalized for HF in the U.S. from 2011 to 2013. Of all hospitalizations, admissions were highest in Winter (27%), followed by Spring (26%), Fall (24%), and Summer (23%). The overall mortality rate was 3.1%. Compared with Spring, there wa

SUBMITTER: Akintoye E 

PROVIDER: S-EPMC6490330 | biostudies-literature | 2017 Nov

REPOSITORIES: biostudies-literature