Efficacy and safety of long-term use of a positive expiratory pressure device in chronic obstructive pulmonary disease patients, a randomized controlled trial.

BMC Pulm Med · 2023 · PMC9841661 · PMID 36647057

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

did not reach statistical significanceno p-value reported

The results showed that the subjects had improved DH, but did not reach statistical significance [ 20 ].

also in 111,027 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.