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Stratified search clustering COVID-19 infections in geriatric elderly patients and its relationship with frailty and its severity evaluated by the Clinical Frailty Scale. The figure was created using Carrot2 software by clustering algorithm Lingo and data obtained from the PubMed database using the search pattern “Frailty” AND “COVID-19” and all retrieved results. Available in https://search.carrot2.org/#/search/pubmed/frailty%20and%20COVID-19/pie-chart (Accessed on 22 August 2021).
