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Article
Open AccessComposite diagnostic criteria are problematic for linking potentially distinct populations: the case of frailty
Composite diagnostic criteria are common in frailty research. We worry distinct populations may be linked to each other due to complicated criteria. We aim to investigate whether distinct populations might be ...
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Article
Open AccessUsing syndrome mining with the Health and Retirement Study to identify the deadliest and least deadly frailty syndromes
Syndromes are defined with signs or symptoms that occur together and represent conditions. We use a data-driven approach to identify the deadliest and most death-averse frailty syndromes based on frailty sympt...
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Article
Open AccessDiagnostic accuracy of symptoms for an underlying disease: a simulation study
Symptoms have been used to diagnose conditions such as frailty and mental illnesses. However, the diagnostic accuracy of the numbers of symptoms has not been well studied. This study aims to use equations and ...