Asthma exacerbations: factors related to longer hospital stay.

Background: Hospital admissions account for a significant part of asthma cost, but with significant differences between geographic areas.

Aims: The aim of our study is to analyse hospital admissions due to asthma, as well as the factors associated with longer hospital stays.

Methods: A review was retrospectively carried out on all admissions of patients over 18 years old due to exacerbation of asthma occurring in our hospital between the years 2000 and 2010.