The Association between the Burden of PM<sub>2.5</sub>-Related Neonatal Preterm Birth and Socio-Demographic Index from 1990 to 2019: A Global Burden Study.

Int J Environ Res Public Health · 2022 · PMC9408320 · PMID 36011702

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an increasing trendno p-value reported

It showed an increasing trend in low-middle and low SDI regions.

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a negative trendno p-value reported

Remarkably, there was a negative trend in China (−3.37 ± 0.38 μg/m 3 /yr, a middle SDI country) over 2011–2018 [ 31 ].

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a decreasing trendno p-value reported

The sex ratio (boys:girls) of the burden showed a dramatically increasing trend in low SDI regions and a decreasing trend in middle SDI regions and high-middle SDI regions.

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