The end-expiratory occlusion test for detecting preload responsiveness: a systematic review and meta-analysis.

Ann Intensive Care · 2020 · PMC7246264 · PMID 32449104

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might be significantno p-value reported

Moreover, no subgroup analysis was performed to look for factors of heterogeneity, whilst some of them might be 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.