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Schizophrenia hospitalizations - a big data approach

Published online by Cambridge University Press:  13 August 2021

M. Gonçalves-Pinho ,
J.P. Ribeiro  and
A. Freitas
M. Gonçalves-Pinho*
Affiliation:
Department Of Psychiatry And Mental Health, Centro Hospitalar do Tâmega e Sousa, Penafiel, Portugal, Penafiel, Portugal
J.P. Ribeiro
Affiliation:
Department Of Psychiatry And Mental Health, Centro Hospitalar do Tâmega e Sousa, Penafiel, Portugal, Penafiel, Portugal
A. Freitas
Affiliation:
2d4h, Center for Health Technology and Services Research (CINTESIS), Porto, Portugal
*
*Corresponding author.

Abstract

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Introduction

Schizophrenia is characterized by long hospitalizations and a recurrent use of chronic and acute psychiatric care.

Objectives

The aim of this study was to analyze schizophrenia related hospitalizations in Portugal.

Methods

A retrospective observational study was conducted using a nationwide hospitalization database containing all hospitalizations registered in Portuguese public hospitals from 2008 to 2015.Hospitalizations with a primary diagnosis of schizophrenia were selected and schizophrenia subtypes were grouped using the International Classification of Diseases version 9, Clinical Modification(ICD-9-CM) codes of diagnosis 295.xx.

Results

There was a total of 25,385 hospitalizations in public hospitals of Portugal between 2008 and 2015 with a primary diagnosis of Schizophrenia or other psychotic disorders. A total of 14,279 patients were hospitalized during the study period with an average of 1,78 hospitalizations episodes per patient in the 8-year interval(0.22 hospitalizations/patient/year). 68.0% of the hospitalizations occurred in male patients and the median length of stay was 18.0 days. Mean hospitalization charges were 3,509.7€ per hospitalization, summed to a total charge of 89.1M€. Throughout the study period there was a significant linear decrease in the number of hospitalizations (r = 0.940; B= -47.488; p = 0.001). The last year of the study(2015) had the lowest number of hospitalizations with a total of 2,958 (vs. 3,314 in 2008). When adjusted for the yearly population, there was also a decrease of the number of hospitalizations per 100,000 inhabitants from 31.39 to 28.56 hospitalizations per 100,000 inhabitants between 2008 and 2015, respectively.

Conclusions

We found differences in hospitalization characteristics by gender, age and primary diagnosis.

Disclosure

No significant relationships.

Keywords

schizophréniaBig DataAdministrative Database
Type
Abstract
Information
European Psychiatry , Volume 64 , Special Issue S1: Abstracts of the 29th European Congress of Psychiatry , April 2021 , pp. S157 - S158
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2021. Published by Cambridge University Press on behalf of the European Psychiatric Association
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