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Association of ambient air pollution with lengths of hospital stay for hanoi children with acute lower-respiratory infection, 2007-2016

Nhung, Nguyen Thi Trang and Schindler, Christian and Dien, Tran Minh and Probst-Hensch, Nicole and Künzli, Nino. (2019) Association of ambient air pollution with lengths of hospital stay for hanoi children with acute lower-respiratory infection, 2007-2016. Environmental Pollution, 247. pp. 752-762.

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Official URL: https://edoc.unibas.ch/69477/

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Abstract

The association between ambient air pollution and length of hospital stay (LOS) for children with lower-respiratory infection is unclear.; The association was examined using admission data for 75,432 children in Hanoi, aged 0-5 years, hospitalized with acute lower-respiratory infection (ALRI) and daily air pollutant levels in Hanoi between 2007 and 2016. We estimated the odds ratio of being discharged for an interquartile range (IQR) increment (IQR) of ambient pollutants during one to four days prior to admission date. We used pooled logistic regression models including a B-spline function of calendar time and terms describing the baseline odds, adjusting for meteorological factors, age, gender, residential location, week-day of admission, discharge on weekends or holidays, and number of respiratory hospitalizations one day prior to the discharge date.; An IQR increase in O; 3; concentrations (85.8 μg/m; 3; ) was associated with a 5% (95%CI: 2%-8%) decrease in the odds of discharge from hospital among children with ALRI. Results were similar for PM; 10; , but only for children aged 2-5 years. For the other pollutants, corresponding associations were close to null or in the opposite direction. For example, increase in CO was associated with shorter LOS.; Our study provides the first investigation of the associations between lengths of hospital stays and air pollutant levels prior to hospitalization in Asian children. Increased levels of O; 3; prior to admission predicted prolonged hospitalizations. The inconsistencies in the findings for other pollutants call for further investigations.
Faculties and Departments:09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Chronic Disease Epidemiology > Air Pollution and Health (Künzli)
03 Faculty of Medicine > Departement Public Health > Sozial- und Präventivmedizin > Air Pollution and Health (Künzli)
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Chronic Disease Epidemiology > Genetic Epidemiology of Non-Communicable Diseases (Probst-Hensch)
03 Faculty of Medicine > Departement Public Health > Sozial- und Präventivmedizin > Genetic Epidemiology of Non-Communicable Diseases (Probst-Hensch)
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH)
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Biostatistics > Biostatistics - Frequency Modelling (Schindler)
UniBasel Contributors:Nguyen, Thi Trang Nhung and Schindler, Christian and Probst Hensch, Nicole
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Elsevier
ISSN:0269-7491
e-ISSN:1873-6424
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:06 Mar 2019 08:07
Deposited On:06 Mar 2019 08:07

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