Comorbidity is a complex topic, conceptually and clinically. The definition of comorbidity from a conceptual point of view refers to a situation in which "a distinct clinical entity appears during the ...

The occurrence of two or more diseases in the same patient is known as comorbidity. It poses significant difficulties in terms of disease diagnosis and therapy. Comorbidities are frequently associated ...

Background: There is limited insight into the attributable effect of anemia and comorbidity on functional status and mortality in old age. Methods: The Leiden 85-plus Study is a population-based ...