Efficacy of 1, 5, and 20 mg oral sildenafil in the treatment of adults with pulmonary arterial hypertension: a randomized, double-blind study with open-label extension.

BMC Pulm Med · 2017 · PMC5322647 · PMID 28228114

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

a small trendno p-value reported

An exploratory assessment (see Additional files 4 and 5 ) of the relationship between 6MWD, PVR, and steady-state concentrations revealed a significant relationship for 6MWD, whereas only a small trend could be seen for PVR across the concentration range observed (Additional files 6 and 7 ).

also in 722 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.