-
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 ...
-
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...
-
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 ...
-
Article
Open AccessA proposal for a self-rated frailty index and status for patient-oriented research
Frailty indices are important predictors of major health outcomes, but mostly designed by and for researchers and specialists. Three of the most commonly used theory-based indices are composite measures that a...
-
Article
Open AccessEarly career researchers’ perspectives and roles in patient-oriented research
Patient-oriented research (POR) has received increasing attention in recent years. In this approach, patients’ experiential knowledge, derived from their experiences of living with a condition or illness and o...
-
Article
Open AccessA network perspective on patient experiences and health status: the Medical Expenditure Panel Survey 2004 to 2011
There is a growing emphasis on the need to engage patients in order to improve the quality of health care and improve health outcomes. However, we are still lacking a comprehensive understanding on how differe...
-
Article
Open AccessInternational changes in end-of-life practices over time: a systematic review
End-of-life policies are hotly debated in many countries, with international evidence frequently used to support or oppose legal reforms. Existing reviews are limited by their focus on specific practices or se...
-
Article
Open AccessRisk adjustment and observation time: comparison between cross-sectional and 2-year panel data from the Medical Expenditure Panel Survey (MEPS)
Risk adjustment models were used to estimate health care consumption after adjusting for individual characteristics or other factors. The results of this technique were not satisfying. One reason could be that...
