25 year trends in first time hospitalisation for acute myocardial infarction, subsequent short and long term mortality, and the prognostic impact of sex and comorbidity: a Danish nationwide cohort study.

ABSTRACT:

Objectives

To examine 25 year trends in first time hospitalisation for acute myocardial infarction in Denmark, subsequent short and long term mortality, and the prognostic impact of sex and comorbidity.

Design

Nationwide population based cohort study using medical registries.

Setting

All hospitals in Denmark.

Subjects

234,331 patients with a first time hospitalisation for myocardial infarction from 1984 through 2008.

Main outcome measures

Standardised incidence rate of myocardial infarction and 30 day and 31-365 day mortality by sex. Comorbidity categories were defined as normal, moderate, severe, and very severe according to the Charlson comorbidity index, and were compared by means of mortality rate ratios based on Cox regression.

Results

The st

SUBMITTER: Schmidt M 

PROVIDER: S-EPMC3266429 | biostudies-literature | 2012 Jan

REPOSITORIES: biostudies-literature