Time series and factors associated with prematurity in live births in curitiba, brazil: time series analysis between the years 2000 and 2021.

BMC Pregnancy Childbirth · 2025 · PMC12506361 · PMID 41063008

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a decreasing trendno p-value reported

From 2012 to 2019, the proportion of premature births in Brazil, though still high, showed a decreasing trend, varying from 10.87 to 9.95%.

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an increasing trendno p-value reported

Results The analysis reveals an increasing trend in the prevalence of preterm births, with an Annual Significant Rate (ASR) of 2.4% (95%CI = 1.8; 3.0).

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