medRxiv
Electronic frailty index linked to death risk in older adults
One-year mortality was 18.7% in severely frail patients compared with 0.9% in fit individuals in an Israeli health maintenance organization.One-year mortality was 18.7% in severely frail patients compared with 0.9% in fit individuals in an Israeli health maintenance organization.

Preprint: cohort · 641,748 peopleBiomarkers
Who was studied641,748 members aged 65 years and older, one year, against fit individuals
What changedOne-year mortality was higher in severely frail patients than fit individuals: 18.7% against 0.9%
The catchFollow-up for mortality was limited to one-year