Can biomarkers help to diagnose early heart failure with preserved ejection fraction?

Dis Markers · 2015 · PMC4329823 · PMID 25802475

Europe PMC DOI

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a clear trendno p-value reported

Even if a direct comparison among the studies presented cannot be made, there appears a clear trend towards the elevation of exercise BNP levels with progressive worsening of diastolic function.

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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.