Summary The Small Area Frailty Index (SAFI) is a population-level measure of frailty, designed to capture the proportion of frail individuals within small geographic areas, such as Middle Super Output Areas (MSOAs). SAFI is available for each year (post 2014), allowing longitudinal analysis of frailty trends. Technical description The creation of the Small Area Frailty Index (SAFI) using the Electronic Frailty...

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