Epidemiology of preterm birth in Ethiopia: systematic review and meta-analysis.

BMC Pregnancy Childbirth · 2020 · PMC7526155 · PMID 32993555

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

an increasing trendno p-value reported

Asia and sub-Saharan Africa had showed an increasing trend that accounted for 12 million (81·1%) of the global PTBs [ 4 ].

also in 63,971 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.