Selected article for: "estimate model and mortality rate"

Author: Valdés Salgado, Macarena; Smith, Pamela; Opazo, Mariel A.; Huneeus, Nicolás
Title: Long-Term Exposure to Fine and Coarse Particulate Matter and COVID-19 Incidence and Mortality Rate in Chile during 2020
  • Cord-id: nw6vckbj
  • Document date: 2021_7_11
  • ID: nw6vckbj
    Snippet: Background: Several countries have documented the relationship between long-term exposure to air pollutants and epidemiological indicators of the COVID-19 pandemic, such as incidence and mortality. This study aims to explore the association between air pollutants, such as PM(2.5) and PM(10), and the incidence and mortality rates of COVID-19 during 2020. Methods: The incidence and mortality rates were estimated using the COVID-19 cases and deaths from the Chilean Ministry of Science, and the popu
    Document: Background: Several countries have documented the relationship between long-term exposure to air pollutants and epidemiological indicators of the COVID-19 pandemic, such as incidence and mortality. This study aims to explore the association between air pollutants, such as PM(2.5) and PM(10), and the incidence and mortality rates of COVID-19 during 2020. Methods: The incidence and mortality rates were estimated using the COVID-19 cases and deaths from the Chilean Ministry of Science, and the population size was obtained from the Chilean Institute of Statistics. A chemistry transport model was used to estimate the annual mean surface concentration of PM(2.5) and PM(10) in a period before the current pandemic. Negative binomial regressions were used to associate the epidemiological information with pollutant concentrations while considering demographic and social confounders. Results: For each microgram per cubic meter, the incidence rate increased by 1.3% regarding PM(2.5) and 0.9% regarding PM(10). There was no statistically significant relationship between the COVID-19 mortality rate and PM(2.5) or PM(10). Conclusions: The adjusted regression models showed that the COVID-19 incidence rate was significantly associated with chronic exposure to PM(2.5) and PM(10), even after adjusting for other variables.

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