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Bispebjerg Hospital - a part of Copenhagen University Hospital

Comparison Between Frailty Phenotype and Deficit Accumulation – Association with post-discharge 90-day mortality

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Background Frailty is a clinical syndrome, which develops because of age-related decline, diseases, malnutrition and lifestyle. The syndrome leads to increased vulnerability, decline in physiological reserve and a reduced ability to resist stressors and thus, is associated with death, nursing home admission and prolonged hospital admission. There are two major overall perspectives on frailty; frailty as a phenotype and frailty as an accumulation of deficits. Following this, two different validated screening tools exists; Frieds Phenotype (FP) and Clinical Frailty Scale (CFS). However, the screening tools have not been tested in a Scandinavian cohort. The aim of this study was to investigate the association between frailty defined by FP or CFS, respectively and 90-day mortality in a Danish cohort. Methods The study was based on the CriSTAL-study (Criteria for Screening and Triaging to Appropriate aLternative care). The cohort was defined as Danish participants age > 65 years, acutely admitted to the ED and subsequent admission longer than 24 hours at Bispebjerg Hospital (BSP), Odense University Hospital (OUH) or Hospital of Southwest Jutland (SVS), respectively. A total of N=1030 were included, equally distributed from each hospital. Frailty was measured at admission to ED. Participants were classified as frail when scoring ≥ 3 by FP or ≥ 5 by CFS. The relative risk (RR) was calculated with a 95% confidence interval (CI) for both FP and CFS. The 90-day mortality were collected using the Danish Death Register. Results Fifty-four percent (54 %) of the participants were female and mean age was 78.2 years (range: 65-100). Two hundred twenty-one (n=221) and n=555 participants were categorized as frail by FP and CFS, respectively and n=128 died within 90 days. The analyses revealed significant associations between frailty and 90-day mortality; RR=2.67 (95% CI: 1.93-3.69), p < 0.001 and RR=4.12 (95% CI: 2.65-6.42), p < 0.001 with FP and CFS, respectively. Conclusion There is a significant association between frailty and 90-day mortality in the Danish cohort. However, CFS is a better predictor of 90-day mortality compared to FP.
Translated title of the contributionSammenlignenede studie af Frailty fænotype og akkumuleret deficit model - i sammenhæng med 90 dages mortalitet
Original languageEnglish
Publication date24 Nov 2018
Publication statusPublished - 24 Nov 2018

ID: 59966834