Polypharmacy cutoff and outcomes: five or more medicines were used to identify community-dwelling older men at risk of different adverse outcomes

Abstract Objective This study aimed to determine an optimal discriminating number of concomitant medications associated with geriatric syndromes, functional outcomes, and mortality in community-dwelling older men. Study Design and Setting Older men aged ≥70 years ( n = 1,705), enrolled in the Concor...

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Veröffentlicht in:Journal of clinical epidemiology 2012-09, Vol.65 (9), p.989-995
Hauptverfasser: Gnjidic, Danijela, Hilmer, Sarah N, Blyth, Fiona M, Naganathan, Vasi, Waite, Louise, Seibel, Markus J, McLachlan, Andrew J, Cumming, Robert G, Handelsman, David J, Le Couteur, David G
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container_end_page 995
container_issue 9
container_start_page 989
container_title Journal of clinical epidemiology
container_volume 65
creator Gnjidic, Danijela
Hilmer, Sarah N
Blyth, Fiona M
Naganathan, Vasi
Waite, Louise
Seibel, Markus J
McLachlan, Andrew J
Cumming, Robert G
Handelsman, David J
Le Couteur, David G
description Abstract Objective This study aimed to determine an optimal discriminating number of concomitant medications associated with geriatric syndromes, functional outcomes, and mortality in community-dwelling older men. Study Design and Setting Older men aged ≥70 years ( n = 1,705), enrolled in the Concord Health and Aging in Men Project were studied. Receiver operating characteristic curve analysis using the Youden Index and the area under the curve was performed to determine discriminating number of medications in relation to each outcome. Results The highest value of the Youden Index for frailty was obtained for a cutoff point of 6.5 medications compared with a cutoff of 5.5 for disability and 3.5 for cognitive impairment. For mortality and incident falls, the highest value of Youden Index was obtained for a cutoff of 4.5 medications. For every one increase in number of medications, the adjusted odds ratios were 1.13 (95% confidence interval [CI] = 1.06–1.21) for frailty, 1.08 (95% CI = 1.00–1.15) for disability, 1.09 (95% CI = 1.04–1.15) for mortality, and 1.07 (95% CI = 1.03–1.12) for incident falls. There was no association between increasing number of medications and cognitive impairment. Conclusion The study supports the use of five or more medications in the current definition of polypharmacy to estimate the medication-related adverse effects for frailty, disability, mortality, and falls.
doi_str_mv 10.1016/j.jclinepi.2012.02.018
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Study Design and Setting Older men aged ≥70 years ( n = 1,705), enrolled in the Concord Health and Aging in Men Project were studied. Receiver operating characteristic curve analysis using the Youden Index and the area under the curve was performed to determine discriminating number of medications in relation to each outcome. Results The highest value of the Youden Index for frailty was obtained for a cutoff point of 6.5 medications compared with a cutoff of 5.5 for disability and 3.5 for cognitive impairment. For mortality and incident falls, the highest value of Youden Index was obtained for a cutoff of 4.5 medications. For every one increase in number of medications, the adjusted odds ratios were 1.13 (95% confidence interval [CI] = 1.06–1.21) for frailty, 1.08 (95% CI = 1.00–1.15) for disability, 1.09 (95% CI = 1.04–1.15) for mortality, and 1.07 (95% CI = 1.03–1.12) for incident falls. There was no association between increasing number of medications and cognitive impairment. Conclusion The study supports the use of five or more medications in the current definition of polypharmacy to estimate the medication-related adverse effects for frailty, disability, mortality, and falls.</description><identifier>ISSN: 0895-4356</identifier><identifier>EISSN: 1878-5921</identifier><identifier>DOI: 10.1016/j.jclinepi.2012.02.018</identifier><identifier>PMID: 22742913</identifier><language>eng</language><publisher>New York, NY: Elsevier Inc</publisher><subject>Accidental Falls - statistics &amp; numerical data ; Aged ; Aged, 80 and over ; Biological and medical sciences ; Cognition Disorders - diagnosis ; Cognitive ability ; Disability Evaluation ; Epidemiology ; Frail Elderly ; Frailty ; Functional outcomes ; General aspects ; Geriatric Assessment - methods ; Geriatric syndromes ; Health risk assessment ; Humans ; Internal Medicine ; Male ; Medical sciences ; Medications ; Mortality ; Odds Ratio ; Older adults ; Older people ; Outcome Assessment (Health Care) - methods ; Polypharmacy ; Polypharmacy cutoff ; Prescription Drugs - adverse effects ; Public health. Hygiene ; Public health. Hygiene-occupational medicine ; ROC Curve ; Studies ; Survival Analysis</subject><ispartof>Journal of clinical epidemiology, 2012-09, Vol.65 (9), p.989-995</ispartof><rights>2012</rights><rights>2015 INIST-CNRS</rights><rights>Crown Copyright © 2012. Published by Elsevier Inc. 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Study Design and Setting Older men aged ≥70 years ( n = 1,705), enrolled in the Concord Health and Aging in Men Project were studied. Receiver operating characteristic curve analysis using the Youden Index and the area under the curve was performed to determine discriminating number of medications in relation to each outcome. Results The highest value of the Youden Index for frailty was obtained for a cutoff point of 6.5 medications compared with a cutoff of 5.5 for disability and 3.5 for cognitive impairment. For mortality and incident falls, the highest value of Youden Index was obtained for a cutoff of 4.5 medications. For every one increase in number of medications, the adjusted odds ratios were 1.13 (95% confidence interval [CI] = 1.06–1.21) for frailty, 1.08 (95% CI = 1.00–1.15) for disability, 1.09 (95% CI = 1.04–1.15) for mortality, and 1.07 (95% CI = 1.03–1.12) for incident falls. There was no association between increasing number of medications and cognitive impairment. Conclusion The study supports the use of five or more medications in the current definition of polypharmacy to estimate the medication-related adverse effects for frailty, disability, mortality, and falls.</description><subject>Accidental Falls - statistics &amp; numerical data</subject><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Biological and medical sciences</subject><subject>Cognition Disorders - diagnosis</subject><subject>Cognitive ability</subject><subject>Disability Evaluation</subject><subject>Epidemiology</subject><subject>Frail Elderly</subject><subject>Frailty</subject><subject>Functional outcomes</subject><subject>General aspects</subject><subject>Geriatric Assessment - methods</subject><subject>Geriatric syndromes</subject><subject>Health risk assessment</subject><subject>Humans</subject><subject>Internal Medicine</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Medications</subject><subject>Mortality</subject><subject>Odds Ratio</subject><subject>Older adults</subject><subject>Older people</subject><subject>Outcome Assessment (Health Care) - methods</subject><subject>Polypharmacy</subject><subject>Polypharmacy cutoff</subject><subject>Prescription Drugs - adverse effects</subject><subject>Public health. 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Study Design and Setting Older men aged ≥70 years ( n = 1,705), enrolled in the Concord Health and Aging in Men Project were studied. Receiver operating characteristic curve analysis using the Youden Index and the area under the curve was performed to determine discriminating number of medications in relation to each outcome. Results The highest value of the Youden Index for frailty was obtained for a cutoff point of 6.5 medications compared with a cutoff of 5.5 for disability and 3.5 for cognitive impairment. For mortality and incident falls, the highest value of Youden Index was obtained for a cutoff of 4.5 medications. For every one increase in number of medications, the adjusted odds ratios were 1.13 (95% confidence interval [CI] = 1.06–1.21) for frailty, 1.08 (95% CI = 1.00–1.15) for disability, 1.09 (95% CI = 1.04–1.15) for mortality, and 1.07 (95% CI = 1.03–1.12) for incident falls. There was no association between increasing number of medications and cognitive impairment. Conclusion The study supports the use of five or more medications in the current definition of polypharmacy to estimate the medication-related adverse effects for frailty, disability, mortality, and falls.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><pmid>22742913</pmid><doi>10.1016/j.jclinepi.2012.02.018</doi><tpages>7</tpages></addata></record>
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subjects Accidental Falls - statistics & numerical data
Aged
Aged, 80 and over
Biological and medical sciences
Cognition Disorders - diagnosis
Cognitive ability
Disability Evaluation
Epidemiology
Frail Elderly
Frailty
Functional outcomes
General aspects
Geriatric Assessment - methods
Geriatric syndromes
Health risk assessment
Humans
Internal Medicine
Male
Medical sciences
Medications
Mortality
Odds Ratio
Older adults
Older people
Outcome Assessment (Health Care) - methods
Polypharmacy
Polypharmacy cutoff
Prescription Drugs - adverse effects
Public health. Hygiene
Public health. Hygiene-occupational medicine
ROC Curve
Studies
Survival Analysis
title Polypharmacy cutoff and outcomes: five or more medicines were used to identify community-dwelling older men at risk of different adverse outcomes
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