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The frailty index is a predictor of cause-specific mortality independent of familial effects from midlife onwards: a large cohort study

Li, Xia ; Ploner, Alexander ; Karlsson, Ida K ; Liu, Xingrong ; Magnusson, Patrik K E ; Pedersen, Nancy L ; Hägg, Sara ; Jylhävä, Juulia

BMC medicine, 2019-05, Vol.17 (1), p.94-94, Article 94 [Periódico revisado por pares]

England: BioMed Central Ltd

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The frailty index is a predictor of cause-specific mortality independent of familial effects from midlife onwards: a large cohort study
Autor: Li, Xia ; Ploner, Alexander ; Karlsson, Ida K ; Liu, Xingrong ; Magnusson, Patrik K E ; Pedersen, Nancy L ; Hägg, Sara ; Jylhävä, Juulia
Assuntos: Adult ; Age ; Aged ; Aged, 80 and over ; Aging - physiology ; Attenuation ; Attributable fraction ; Cancer ; Cardiovascular diseases ; Cardiovascular Diseases - mortality ; Cause of Death ; Cohort analysis ; Cohort Studies ; Familial effect ; Family Health - statistics & numerical data ; Fatalities ; Female ; Follow-Up Studies ; Frailty ; Frailty - diagnosis ; Frailty - etiology ; Frailty - mortality ; Frailty index ; Gender differences ; Health aspects ; Health risk assessment ; Health Status Indicators ; Humans ; Life span ; Male ; Medicin och hälsovetenskap ; Men ; Middle Aged ; Middle aged persons ; Mortality ; Older people ; Patient outcomes ; Prognosis ; Respiratory tract diseases ; Risk analysis ; Risk Factors ; Time dependence ; Time-varying effect ; Twins
É parte de: BMC medicine, 2019-05, Vol.17 (1), p.94-94, Article 94
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
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Descrição: Frailty index (FI) is a well-established predictor of all-cause mortality, but less is known for cause-specific mortality and whether familial effects influence the associations. Middle-aged individuals are also understudied for the association between FI and mortality. Furthermore, the population mortality impact of frailty remains understudied. We estimated the predictive value of FI for all-cause and cause-specific mortality, taking into account familial factors, and tested whether the associations are time-dependent. We also assessed the proportion of all-cause and cause-specific deaths that are attributable to increased levels of frailty. We analyzed 42,953 participants from the Screening Across the Lifespan Twin Study (aged 41-95 years at baseline) with up to 20 years' mortality follow-up. The FI was constructed using 44 health-related items. Deaths due to cardiovascular disease (CVD), respiratory-related causes, and cancer were considered in the cause-specific analysis. Generalized survival models were used in the analysis. Increased FI was associated with higher risks of all-cause, CVD, and respiratory-related mortality, with the corresponding hazard ratios of 1.28 (1.24, 1.32), 1.31 (1.23, 1.40), and 1.23 (1.11, 1.38) associated with a 10% increase in FI in male single responders, and 1.21 (1.18, 1.25), 1.27 (1.15, 1.34), and 1.26 (1.15, 1.39) in female single responders. No significant associations were observed for cancer mortality. No attenuation of the mortality associations in unrelated individuals was observed when adjusting for familial effects in twin pairs. The associations were time-dependent with relatively greater effects observed in younger ages. Before the age of 80, the proportions of deaths attributable to FI levels > 0.21 were 18.4% of all-cause deaths, 25.4% of CVD deaths, and 20.4% of respiratory-related deaths in men and 19.2% of all-cause deaths, 27.8% of CVD deaths, and 28.5% of respiratory-related deaths in women. After the age of 80, the attributable proportions decreased, most notably for all-cause and CVD mortality. Increased FI predicts higher risks of all-cause, CVD, and respiratory-related mortality independent of familial effects. Increased FI presents a relatively greater risk factor at midlife than in old age. Increased FI has a significant population mortality impact that is greatest through midlife until the age of 80.
Editor: England: BioMed Central Ltd
Idioma: Inglês

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The frailty index is a predictor of cause-specific mortality independent of familial effects from midlife onwards: a large cohort study

Li, Xia ; Ploner, Alexander ; Karlsson, Ida K ; Liu, Xingrong ; Magnusson, Patrik K E ; Pedersen, Nancy L ; Hägg, Sara ; Jylhävä, Juulia

England: BioMed Central Ltd

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