The frailty index (FI) is used to measure the health status of older individuals; it serves as a proxy measure of aging and vulnerability to poor outcomes. This measure was developed by Dr. Kenneth Rockwood and Dr. Arnold Mitnitski at Dalhousie University in Halifax, Nova Scotia, Canada. It is defined as the proportion of deficits present in an individual out of the total number of age-related health variables considered. A frailty index can be created in most secondary data sources related to health by utilizing health deficits that are routinely collected in health assessments. These deficits include diseases, signs, symptoms, laboratory abnormalities, cognitive impairments, and disabilities in activities of daily living.
The frailty index (FI) is used to measure the health status of older individuals; it serves as a proxy measure of aging and vulnerability to poor outcomes. FI was developed by Dr. Kenneth Rockwood and Dr. Arnold Mitnitski at Dalhousie University in Halifax, Nova Scotia, Canada. FI is defined as the proportion of deficits present in an individual out of the total number of age-related health variables considered. A frailty index can be created in most secondary data sources related to health by utilizing health deficits that are routinely collected in health assessments. These deficits include diseases, signs, symptoms, laboratory abnormalities, cognitive impairments, and disabilities in activities of daily living.
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