Efficacy of tramadol and butorphanol pretreatment in reducing pain on propofol injection: A placebo-controlled randomized study.

J Anaesthesiol Clin Pharmacol · 2016 · PMC4784222 · PMID 27006549

Europe PMC DOI

hedged sentence

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closest p

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boldest claim

The sentences

highly significantno p-value reported

The value of P < 0.05 was considered as a significant and P < 0.0001 as highly significant.

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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.