Functional outcomes in ICU – what should we be using? – an observational study.

Crit Care · 2015 · PMC4404223 · PMID 25888469

Europe PMC DOI

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an overall trendno p-value reported

This study was underpowered to examine the clinimetric properties of the SPPB and thus, results should be viewed with caution and interpreted as an overall trend in findings.

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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.