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Patterns and Predictors of Frailty Transitions in Older Men: The Osteoporotic Fractures in Men Study
Author(s) -
Pollack Lauren R.,
LitwackHarrison Stephanie,
Cawthon Peggy M.,
Ensrud Kristine,
Lane Nancy E.,
BarrettConnor Elizabeth,
Dam ThuyTien
Publication year - 2017
Publication title -
journal of the american geriatrics society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.992
H-Index - 232
eISSN - 1532-5415
pISSN - 0002-8614
DOI - 10.1111/jgs.15003
Subject(s) - medicine , gerontology , cohort , prospective cohort study , logistic regression , cohort study , body mass index , longitudinal study , frailty syndrome , physical therapy , demography , frailty index , pathology , sociology
Objectives To describe the natural history of frailty transitions in a large cohort of community‐dwelling older men and identify predictors associated with progression to or improvement from states of greater frailty. Design Prospective cohort study. Setting Six U.S. sites. Participants Community‐dwelling men aged 65 and older (N = 5,086). Measurements Frailty was measured at baseline and an average of 4.6 years later. Frailty was defined as having three or more of the following components (low lean mass, weakness, self‐reported exhaustion, low activity level, and slow walking speed); prefrailty was defined as having one or two components. Separate multivariable logistic regression models were analyzed for progression and improvement in frailty status. Results Of the 5,086 men, 8% were frail, 46% were prefrail, and 46% were robust at baseline. Between baseline and follow‐up, 35% progressed in frailty status or died, 56% had no change in frailty status, and 15% of prefrail or frail participants improved, although only 0.5% improved across two levels, from frail to robust. In multivariable models, factors associated with improvement in frailty status included greater leg power, being married, and good or excellent self‐reported health, whereas presence of any instrumental activity of daily living ( IADL ) limitations, low albumin levels, high interleukin‐6 levels, and presence of chronic obstructive pulmonary disease or diabetes mellitus were associated with lower likelihood of improvement in frailty status. Conclusion Improvement in frailty status was possible in this cohort of community‐dwelling older men, but improvement from frail to robust was rare. Several predictors were identified as possible targets for intervention, including prevention and management of comorbid medical conditions, prevention of IADL disability, physical exercise, and nutritional and social support.