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Bronchiolitis Hospitalization in Southern Brazil from 2002 to 2012: A Count Time-series Approach

Abstract

INTRODUCTION:

Because the antibody neutralizing respiratory syncytial virus (anti-RSV) has a short period of immunization and high cost, the identification of regions and months of highest occurrence of bronchiolitis is very important.

METHODS:

An Autoregressive Conditional Poisson model was constructed for count data and compared to the standard time-series Poisson regression model.

RESULTS:

The metropolitan area of Paraná presented the highest average occurrence from May to July.

CONCLUSIONS:

The constructed model presented a better fit and allowed prediction of when and where the bronchiolitis hospitalizations are distributed.

Keywords:
Autoregressive Conditional Poisson; Bronchiolitis Hospitalizations; Count Time Series

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