The effect of air pollutants on COPD-hospitalized patients in Lanzhou, China (2015-2019).

ABSTRACT:

Background

Lanzhou is the largest heavy industrial city in northwest China and it is a typical geographical valley-like city. However, there are few studies on the relationship between air pollutants and COPD, and their respective sample sizes are small, resulting in inconsistent results. The aim of this study is to analyze the effects of air pollutants on COPD hospitalizations in Lanzhou, China.

Methods

An ecological time series study with distributed lag non-linear model (DLNM) was used for analysis. Daily COPD hospitalization data in Lanzhou from 1 January 2015 to 31 December 2019 were collected from 25 hospitals, as well as air pollutant data and meteorological data.

Results

A total of 18,275 COPD hospitalizations were enrolled. For 10 μg/m³ increase in

SUBMITTER: Jin L 

PROVIDER: S-EPMC11446802 | biostudies-literature | 2024

REPOSITORIES: biostudies-literature