Background Multimorbidity and frailty are complex syndromes characteristics of aging. We
reviewed the literature and provided pooled estimations of any evidence regarding (a) the …

Frailty is a complex of symptoms that is characterized by impaired stress tolerance due to a
decline in the functionality of different organs. Due to its multifactorial aetiology, several …

Frailty is a known risk factor for those aged 65 and over, and its prevalence increases with
age. Definitions of frailty vary widely, and prevalence estimates are affected by the way frailty …

Background Although research productivity in the field of frailty has risen exponentially in
recent years, there remains a lack of consensus regarding the measurement of this …

An operational definition of frailty is important for clinical care, research, and policy planning.
The literature on the clinical definitions, screening tools, and severity measures of frailty …

Background Frailty is an indicator of health status in old age. Its frequency has been
described mainly for North America; comparable data from other countries are lacking. Here …

Frailty is a commonly used term indicating older persons at increased risk for adverse
outcomes such as onset of disability, morbidity, institutionalisation or mortality or who …

Clinicians and researchers have shown increasing interest in frailty. Yet, there is still
considerable uncertainty regarding the concept and its definition. In this article, we present …

OBJECTIVES: To determine whether adding cognitive impairment to frailty improves its
predictive validity for adverse health outcomes. DESIGN: Four‐year longitudinal study …

Importance Currently there is no risk factor scale that identifies older persons at risk of frailty.
Objectives In this study, we identified significant multisystem risk factors of frailty, developed …