BACKGROUND: Frailty in older Chinese has been less often studied and the selection of one screening test feasible in primary care and population survey is needed. We attempted to examine the sensitivity and specificity of each of the five Fried's criteria as a single screening test in the identification of frailty. METHODS: We recruited 4000 community-dwelling Chinese adults 65 years or older stratified by 3 age-stratum and identified frailty as having 3 or more of Fried's criteria: underweight(BMI<18.5), handgrip strength(<lowest quintile), walking speed(<lowest quintile), self-reported exhaustion and low physical activity(PASE score
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Auyeung et al. (2013) studied this question.