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Relationship between meteorological variables and pneumonia in children in the Metropolitan Region of Porto Alegre, Brazil

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A Correction to this article was published on 27 September 2022

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Abstract

This work aims to analyze the relationship between meteorological conditions and the occurrence of hospital admissions for pneumonia in children under 5 years of age in the Metropolitan Region of Porto Alegre, Brazil, from 1998 to 2017. To this end, data from hospital admissions obtained from the Unified Health System database (DATASUS) were used and classified into two groups: acute respiratory infections (ARI) and asthma, according to the international classification of diseases, tenth edition (ICD-10). Data regarding meteorological variables were also used: temperature, relative humidity, atmospheric pressure and wind speed, at 12Z and 18Z, as well as the Thermal Comfort Index (TCI), Effective Temperature as a function of the wind (ETw) and Windchill (W). From the data obtained, a descriptive analysis of the diseases and a statistical analysis with the analysis of correlation and main components were performed. Results showed that pneumonia (catalogued in the ICD-10 as J12 to J18) was the main cause of hospitalizations in children. The annual, monthly and daily hospitalization frequency distributions showed higher rates of admissions occurring in the months of May to September. The peaks of admissions and high admissions (HA) occurred mainly in the winter months (June, July and August), and in 1998. Meanwhile, the correlation and principal component analysis showed an increase in hospital admissions due to pneumonia related to a decrease in temperature and ETw and W indices (negative anomalies) and an increase in atmospheric pressure and relative humidity (positive anomalies).

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Acknowledgements

The authors would like to thank the Coordination for the Improvement of Higher Education Personnel – Brazil (CAPES) for supporting this work, the National Institute of Meteorology (INMET) for providing meteorological data and the National Health System Database (DATASUS) of the Ministry of Health for the transfer of health-related data.

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Authors and Affiliations

  1. Postgraduate in Meteorology, Faculty of Meteorology, Federal University of Pelotas, Pelotas, Brazil

    Leticia Moreira Nick

  2. Faculty of Agronomy, Federal University of the Southern Border, Cerro Largo, Brazil

    Anderson Spohr Nedel, Marcelo Felix Alonso & Julio Quevedo Marques

  3. Postgraduate Program in Meteorology, Faculty of Meteorology, Federal University of Pelotas, Pelotas, Brazil

    Anderson Spohr Nedel

  4. Meteorology Department, Faculty of Meteorology, Federal University of Pelotas, Pelotas, Brazil

    Rose Ane Pereira de Freitas

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  1. Leticia Moreira Nick
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  2. Anderson Spohr Nedel
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  5. Rose Ane Pereira de Freitas
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Correspondence to Anderson Spohr Nedel.

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Nick, L.M., Nedel, A.S., Alonso, M.F. et al. Relationship between meteorological variables and pneumonia in children in the Metropolitan Region of Porto Alegre, Brazil. Int J Biometeorol 66, 2301–2308 (2022). https://doi.org/10.1007/s00484-022-02357-4

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