A retrospective cohort study of 12,306 pediatric COVID-19 patients in the United States.

Sci Rep · 2021 · PMC8119690 · PMID 33986390

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

may be significantno p-value reported

Importantly, there may be significant selection bias in the children who were tested based on the indication for obtaining the tests, availability of tests, and access to testing locations and hence the eventual inclusion of the children in the study population.

also in 13,097 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.