Divergent Survival Outcomes Associated with Elevated Branched-Chain Amino Acid Levels among Older Adults with or without Hypertension and Diabetes: A Validated, Prospective, Longitudinal Follow-Up Study.

Previous studies have demonstrated highly significant correlations ( p < 0.001) between mass spectrometry and nuclear magnetic resonance spectroscopy in the quantification of blood levels of metabolites [ 36 ] For total BCAAs levels, a previously published large-scale UK Biobank study that used Nightingale NMR profiling listed a % coefficient of variation (%CV) of approximately 5–6% [ 37 ]. 2.5.

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