Coronary collateral circulation and mortality in ST-elevation myocardial infarction undergoing primary PCI: an updated systematic review and meta-analysis of 18,443 patients.

BMC Cardiovasc Disord · 2026 · PMC13126890 · PMID 41862808

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

an important trendno p-value reported

Stratification by publication era revealed an important trend: the 14 studies from the original Allahwala meta-analysis showed OR 0.47 (95% CI 0.33–0.66), while the 3 new studies in the primary analysis (Liu [ 12 ], Iqbal [ 16 ], Yılmaz [ 17 ]) showed a non-significant OR 0.88 (95% CI 0.49–1.58), with a trend toward significant subgroup difference ( p = 0.06).

also in 625 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.