Cardio-autonomic functions and sleep indices before and after coronary artery bypass surgery.

Ann Thorac Med · 2018 · PMC5772103 · PMID 29387251

Europe PMC DOI

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showed a trendno p-value reported

Although RMSSD and pNN50 showed a trend of decrease from pre-CABG to day-6 and increase from day-6 to day-30 post–CABG, the differences were not statistically significant.

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