期刊
JOURNAL OF THE AMERICAN GERIATRICS SOCIETY
卷 57, 期 3, 页码 492-498出版社
WILEY-BLACKWELL PUBLISHING, INC
DOI: 10.1111/j.1532-5415.2009.02137.x
关键词
frailty; older men; hip fracture; mortality
资金
- NIH [U01 AR45580, U01 AR45614, U01 AR45632, U01 AR45647, U01 AR45654, U01 AR45583, U01 AG18197, U01-AG027810, UL1 RR024140.]
To compare the validity of a parsimonious frailty index (components: weight loss, inability to rise from a chair, and poor energy (Study of Osteoporotic Fractures (SOF) index)) with that of the more complex Cardiovascular Health Study (CHS) index (components: unintentional weight loss, low grip strength, poor energy, slowness, and low physical activity) for prediction of adverse outcomes in older men. Prospective cohort study. Six U.S. centers. Three thousand one hundred thirty-two men aged 67 and older. Frailty status categorized as robust, intermediate stage, or frail using the SOF index and criteria similar to those used in CHS index. Falls were reported three times for 1 year. Disability (>= 1 new impairments in performing instrumental activities of daily living) ascertained at 1 year. Fractures and deaths ascertained during 3 years of follow-up. Analysis of area under the receiver operating characteristic curve (AUC) statistics compared for models containing the SOF index versus those containing the CHS index. Greater evidence of frailty as defined by either index was associated with greater risk of adverse outcomes. Frail men had a higher age-adjusted risk of recurrent falls (odds ratio (OR)=3.0-3.6), disability (OR=5.3-7.5), nonspine fracture (hazard ratio (HR)=2.2-2.3), and death (HR=2.5-3.5) (P <.001 for all models). AUC comparisons revealed no differences between models with the SOF index and models with the CHS index in discriminating falls (AUC=0.63, P=.97), disability (AUC=0.68, P=.86), nonspine fracture (AUC=0.63, P=.90), or death (AUC=0.71 for model with SOF index and 0.72 for model with CHS index, P=.19). The simple SOF index predicts risk of falls, disability, fracture, and mortality in men as well as the more-complex CHS index.
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