Reanalysis of the association between reduction in long-term PM<sub>2.5</sub> concentrations and improved life expectancy.

Environ Health · 2021 · PMC8439090 · PMID 34517898

Europe PMC DOI

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a decreasing trendno p-value reported

The difference between the two periods gave poor correlation (0.42–0.44), although both PM 2.5 showed a decreasing trend between the two time periods.

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