A new aging measure captures morbidity and mortality risk across diverse subpopulations from NHANES IV: A cohort study

This 2018 cohort study introduced "Phenotypic Age," a composite biomarker derived from chronological age and nine clinical chemistry markers, to estimate biological aging and associated mortality risk. Utilizing data from NHANES IV (1999–2010), the study analyzed 11,432 adults aged 20–84 and 185 adults aged 85 and older. Findings revealed that