Frailty score reductions were linked to fewer hospitalisations and deaths

Design

Prospective population-based cohort

Population

About 1,800 community-dwelling adults aged ≥65 in Spain

Primary outcome

Disability, hospitalisation and mortality by Frailty Trait Scale

Effect

Score reduction: hospitalisation HR 0.74 (0.56 to 0.99); mortality HR 0.65 (0.45 to 0.95)

A Spanish population-based cohort of adults aged 65 or over measured frailty with the Frailty Trait Scale (FTS; 1,811 people) and its five-item version (FTS-5; 1,597) at baseline and after about five years.

Risk rose continuously with score, with different thresholds for each outcome: disability from 25/100, hospitalisation from 40/100 and death from 50/100 (10, 15 and 25 out of 50 on FTS-5). A reduction of about 10 points was associated with lower hospitalisation (HR 0.74, 0.56 to 0.99) and about 4.5 points with lower mortality (HR 0.65, 0.45 to 0.95).

A numerical score that shows change, and a threshold for what change matters, makes frailty something to track and treat rather than simply label.

• Use a numerical frailty tool so change can be measured, not just a yes/no category.
• Repeat the measure after an intervention such as exercise or nutrition support.
• Treat rising scores as a prompt for review of medicines, mobility and nutrition.
• Tell patients that frailty can improve.

Why it matters

It shows frailty is a trajectory with measurable, meaningful change, not a fixed label.

Don't overread it

Observational — improvement in score may mark healthier people rather than cause better outcomes.

The statistics, in plain English

An HR of 0.65 means about a third lower risk of death at any time among those whose score improved by at least 4.5 points. The upper limits (0.99 and 0.95) are close to 1, so the true effect could be small.

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