Frailty index

Frailty Index is a tool used in geriatric medicine to quantify the health status of older adults. It is a measure of the cumulative effect of individual deficits (diseases, disabilities, symptoms, signs, abnormal laboratory values) on a person's health. The Frailty Index is often used to predict outcomes such as mortality, hospitalization, and institutionalization.

Concept

The concept of the Frailty Index was first proposed by Kenneth Rockwood and colleagues in 2001. It is based on the accumulation of deficits model of frailty, which posits that frailty is a state of increased vulnerability to adverse outcomes due to the accumulation of health deficits over time. The Frailty Index is calculated by dividing the number of present deficits by the total number of deficits considered.

Use in Clinical Practice

In clinical practice, the Frailty Index is used to assess the health status of older adults and to predict their risk of adverse outcomes. It can be used to guide treatment decisions and to monitor changes in health status over time. The Frailty Index has been shown to be a better predictor of mortality and hospitalization than age alone.

Limitations

While the Frailty Index is a useful tool, it has some limitations. It requires the collection of a large amount of data, which can be time-consuming and may not be feasible in all settings. Furthermore, the Frailty Index does not take into account the severity of individual deficits, only their presence or absence.

See Also

• Geriatric Medicine
• Kenneth Rockwood
• Mortality
• Hospitalization
• Institutionalization

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