Sachi O'Hoski1, Jonathan F Bean2, Jinhui Ma3, Hon Yiu So4, Ayse Kuspinar1, Julie Richardson1, Joshua Wald5, Marla K Beauchamp6. 1. School of Rehabilitation Science, McMaster University, Hamilton, Ontario, Canada. 2. New England Geriatric Research Education and Clinical Center, VA Boston Healthcare System, Boston, Massachusetts; Department of Physical Medicine and Rehabilitation, Harvard Medical School, Boston, Massachusetts; Spaulding Rehabilitation Hospital, Boston, Massachusetts. 3. Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada. 4. Department of Statistics and Actuarial Science, University of Waterloo, Waterloo, Ontario, Canada. 5. Department of Medicine, McMaster University, Hamilton, Ontario, Canada; Firestone Institute for Respiratory Health, St. Joseph's Healthcare, Hamilton, Ontario, Canada. 6. School of Rehabilitation Science, McMaster University, Hamilton, Ontario, Canada. Electronic address: beaucm1@mcmaster.ca.
Abstract
OBJECTIVE: To explore the predictive ability of the Short Physical Performance Battery (SPPB), Late Life Function and Disability Instrument-Function component (LLFDI-function) and frailty phenotype, for falls, hospitalizations, emergency department (ED) visits, and low self-rated health (SRH) over 1 and 2 years in older adults. DESIGN: Secondary analysis of data from a longitudinal study, the Boston Rehabilitative Impairment Study of the Elderly. SETTING: Primary care. PARTICIPANTS: Adults 65 years and older at risk for disability who completed ≥1 follow-up call (N=391). INTERVENTIONS: None. MAIN OUTCOME MEASURES: We computed separate logistic regression models using the SPPB, LLFDI-function, and frailty phenotype as independent variables and falls, hospitalizations, ED visits, and SRH over 1 and 2 years as dependent variables. Receiver operating characteristic curves were constructed and the areas under the curves calculated. RESULTS: Participants had a mean age of 76.5±7.1 years. The SPPB, LLFDI-function, and frailty phenotype all predicted hospitalizations and low SRH over a 1- and 2-year timeframe (odds ratio [OR] min-max, 1.35-1.51 and 1.67-3.07, respectively). Over 2 years, the SPPB predicted ED visits (OR, 1.28), and the LLFDI-function predicted falls (OR, 1.31). The LLFDI-function predicted low SRH better than the frailty phenotype over 1 year. There were no differences between the measures for any of the other outcomes. CONCLUSIONS: The SPPB, LLFDI-function, and frailty phenotype had similar accuracy for predicting falls, hospitalizations, ED visits, and low SRH over 1 and 2 years among older primary care patients at risk for disability. As a result, when considering the optimal screening tool for older adults, the choice between a measure of function and frailty may ultimately depend on clinical preference and context.
OBJECTIVE: To explore the predictive ability of the Short Physical Performance Battery (SPPB), Late Life Function and Disability Instrument-Function component (LLFDI-function) and frailty phenotype, for falls, hospitalizations, emergency department (ED) visits, and low self-rated health (SRH) over 1 and 2 years in older adults. DESIGN: Secondary analysis of data from a longitudinal study, the Boston Rehabilitative Impairment Study of the Elderly. SETTING: Primary care. PARTICIPANTS: Adults 65 years and older at risk for disability who completed ≥1 follow-up call (N=391). INTERVENTIONS: None. MAIN OUTCOME MEASURES: We computed separate logistic regression models using the SPPB, LLFDI-function, and frailty phenotype as independent variables and falls, hospitalizations, ED visits, and SRH over 1 and 2 years as dependent variables. Receiver operating characteristic curves were constructed and the areas under the curves calculated. RESULTS:Participants had a mean age of 76.5±7.1 years. The SPPB, LLFDI-function, and frailty phenotype all predicted hospitalizations and low SRH over a 1- and 2-year timeframe (odds ratio [OR] min-max, 1.35-1.51 and 1.67-3.07, respectively). Over 2 years, the SPPB predicted ED visits (OR, 1.28), and the LLFDI-function predicted falls (OR, 1.31). The LLFDI-function predicted low SRH better than the frailty phenotype over 1 year. There were no differences between the measures for any of the other outcomes. CONCLUSIONS: The SPPB, LLFDI-function, and frailty phenotype had similar accuracy for predicting falls, hospitalizations, ED visits, and low SRH over 1 and 2 years among older primary care patients at risk for disability. As a result, when considering the optimal screening tool for older adults, the choice between a measure of function and frailty may ultimately depend on clinical preference and context.
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