Short-term exposure to PM2.5 has been associated with human health risks . However, evidence on the association between short-term exposure to PM and the risk of chronic obstructive pulmonary disease ( COPD ) remains limited and controversial. This study aimed to specifically assess the relationship between exposure to PM and COPD hospitalization. A systematic search was conducted in PubMed, Web of Science, and Google Scholar databases from January 1, 2010 to May 1, 2022.
The odds ratio (OR) statistic was calculated as a common measure of effect size. Publication bias was also examined in all eligible studies on COPD hospitalization using funnel plots and Egger’s test, as well as trim-and-fill method for missing studies on COPD hospitalization. A total of 19 studies were included in this meta-analysis. Random-effects models were plotted to calculate the pooled effect size by measuring OR (χ concentration was associated with a 1.6% (95% CI: 0.4–2.9%) increase in COPD hospitalization. There was no publication bias regarding the association between COPD hospitalization and PM (p = 0.301)
Source: Entertainment Trends (entertainmenttrends.net)
PM2.5 COPD Hospitalization Meta-Analysis Health Risks
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