
A nationwide cohort of older adults links objective fitness measures across balance, strength, agility, and cardio domains to graded reductions in all-cause mortality risk.
Key Takeaways
- Objective fitness assessment may serve as a clinically relevant indicator of physiological reserve
- Participant data were linked to National Health Insurance records, with follow-up through December 31, 2022
- Composite fitness index showed the lowest risk of all-cause mortality (AHR 0.39)
