Socioeconomic inequalities in lung cancer treatment: systematic review and meta-analysis.

PLoS Med · 2013 · PMC3564770 · PMID 23393428

Europe PMC DOI

hedged sentence

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closest p

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boldest claim

The sentences

a significant trendno p-value reported

Of the papers that reported measures of significance (CIs or p-values), 20 out of 27 (74%) reported that lower SEP was significantly associated with lower likelihood of surgery when comparing the lowest with the highest SEP group, although three of these 20 papers did not find a significant trend across groups.

also in 9,775 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.