Multicenter Study

Operationalization of frailty using eight commonly used scales and comparison of their ability to predict all-cause mortality.

J Am Geriatr Soc. 2013 Sep 1;61(9):1537-51.
Multicenter Study

Cognitive impairment improves the predictive validity of the phenotype of frailty for adverse health outcomes: the three-city study.

J Am Geriatr Soc. 2009 Mar 1;57(3):453-61.
Comparative Study

Increased heart failure risk in normal-weight people with metabolic syndrome compared with metabolically healthy obese individuals.

J. Am. Coll. Cardiol. 2011 Sep 20;58(13):1343-50.