Application of the Lomb-Scargle Periodogram to InvestigateHeart Rate Variability during Haemodialysis.

J Healthc Eng · 2020 · PMC7738214 · PMID 33376586

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an overall trendno p-value reported

The use of a single PSD estimate from a fixed point in dialysis, which can deviate significantly from an overall trend, could therefore be an unreliable indicator of patient response further complicating comparisons and compromising its diagnostic significance.

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