Muscle mass index as a predictor of longevity in older adults

P Srikanthan, AS Karlamangla - The American journal of medicine, 2014 - Elsevier
Objective Obesity (as defined by body mass index) has not been associated consistently
with higher mortality in older adults. However, total body mass includes fat and muscle,
which have different metabolic effects. This study was designed to test the hypothesis that
greater muscle mass in older adults is associated with lower all-cause mortality. Methods All-
cause mortality was analyzed by the year 2004 in 3659 participants from the National Health
and Nutrition Examination Survey III who were aged 55 years or more (65 years if women) at …