Safe contrast volumes for preventing contrast-induced nephropathy in elderly patients with relatively normal renal function during percutaneous coronary intervention.

Medicine (Baltimore) · 2015 · PMC4553999 · PMID 25816028

Europe PMC DOI

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a positive trendno p-value reported

From quartile Q1 to Q4, there was a positive trend with older age, the preprocedural SCr level, CM dose, number of diseased vessels, ratio of V/CrCl or V/MDRD, and Mehran risk score.

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a negative trendno p-value reported

There was a negative trend with the preprocedural renal function (evaluated by the CrCl or MDRD).

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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.