Objective: The aim of this study was to identify the prevalence and assessment strategies of Biological Fragility Syndrome in the Elderly.
Methods: For the development of this study was it was done a search in electronic databases (Medline/PubMed) and the reference lists of articles identified using the following key words/terms in English: "frailty" and `frail" in conjunction with the terms "elderly", "aging" and "prevalence". These terms/descriptors were combined using the logical operators available in search engines. The initial electronic search resulted in 1 865 manuscripts. The process of analysis of the studies involved reading titles, abstracts and full texts. After all these phases, 35 manuscripts met the inclusion criteria of the review.
Results: The results indicated that women, with rage from 7.3 % to 21.6 %, are frailer than men, with percentages ranging from 4 % to 19.2 %.
Conclusions: Differences in prevalence rates of prefrailty and frailty should be minimized, with stimulus for standardization for the evaluation of human frailty.