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Research

Validation and diagnostic accuracy of predictive curves for age-associated longitudinal cognitive decline in older adults

Patrick J. Bernier, Christian Gourdeau, Pierre-Hugues Carmichael, Jean-Pierre Beauchemin, René Verreault, Rémi W. Bouchard, Edeltraut Kröger and Robert Laforce
CMAJ December 04, 2017 189 (48) E1472-E1480; DOI: https://doi.org/10.1503/cmaj.160792
Patrick J. Bernier
Services Gériatriques Spécialisés (Bernier), Centre intégré universitaire de santé et de services sociaux (CIUSSS) de la Capitale-Nationale; CÉGEP de Limoilou (Gourdeau); Centre d’excellence sur le vieillissement de Québec (Carmichael, Verreault, Kröger); Institut universitaire de cardiologie et de pneumologie de Québec (Beauchemin); Faculté de médecine (Verreault, Laforce), Université Laval; Clinique interdisciplinaire de mémoire (Bouchard, Laforce), Centre hospitalier universitaire (CHU) de Québec; Faculté de pharmacie (Kröger), Université Laval, Québec, Que.
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Christian Gourdeau
Services Gériatriques Spécialisés (Bernier), Centre intégré universitaire de santé et de services sociaux (CIUSSS) de la Capitale-Nationale; CÉGEP de Limoilou (Gourdeau); Centre d’excellence sur le vieillissement de Québec (Carmichael, Verreault, Kröger); Institut universitaire de cardiologie et de pneumologie de Québec (Beauchemin); Faculté de médecine (Verreault, Laforce), Université Laval; Clinique interdisciplinaire de mémoire (Bouchard, Laforce), Centre hospitalier universitaire (CHU) de Québec; Faculté de pharmacie (Kröger), Université Laval, Québec, Que.
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Pierre-Hugues Carmichael
Services Gériatriques Spécialisés (Bernier), Centre intégré universitaire de santé et de services sociaux (CIUSSS) de la Capitale-Nationale; CÉGEP de Limoilou (Gourdeau); Centre d’excellence sur le vieillissement de Québec (Carmichael, Verreault, Kröger); Institut universitaire de cardiologie et de pneumologie de Québec (Beauchemin); Faculté de médecine (Verreault, Laforce), Université Laval; Clinique interdisciplinaire de mémoire (Bouchard, Laforce), Centre hospitalier universitaire (CHU) de Québec; Faculté de pharmacie (Kröger), Université Laval, Québec, Que.
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Jean-Pierre Beauchemin
Services Gériatriques Spécialisés (Bernier), Centre intégré universitaire de santé et de services sociaux (CIUSSS) de la Capitale-Nationale; CÉGEP de Limoilou (Gourdeau); Centre d’excellence sur le vieillissement de Québec (Carmichael, Verreault, Kröger); Institut universitaire de cardiologie et de pneumologie de Québec (Beauchemin); Faculté de médecine (Verreault, Laforce), Université Laval; Clinique interdisciplinaire de mémoire (Bouchard, Laforce), Centre hospitalier universitaire (CHU) de Québec; Faculté de pharmacie (Kröger), Université Laval, Québec, Que.
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René Verreault
Services Gériatriques Spécialisés (Bernier), Centre intégré universitaire de santé et de services sociaux (CIUSSS) de la Capitale-Nationale; CÉGEP de Limoilou (Gourdeau); Centre d’excellence sur le vieillissement de Québec (Carmichael, Verreault, Kröger); Institut universitaire de cardiologie et de pneumologie de Québec (Beauchemin); Faculté de médecine (Verreault, Laforce), Université Laval; Clinique interdisciplinaire de mémoire (Bouchard, Laforce), Centre hospitalier universitaire (CHU) de Québec; Faculté de pharmacie (Kröger), Université Laval, Québec, Que.
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Rémi W. Bouchard
Services Gériatriques Spécialisés (Bernier), Centre intégré universitaire de santé et de services sociaux (CIUSSS) de la Capitale-Nationale; CÉGEP de Limoilou (Gourdeau); Centre d’excellence sur le vieillissement de Québec (Carmichael, Verreault, Kröger); Institut universitaire de cardiologie et de pneumologie de Québec (Beauchemin); Faculté de médecine (Verreault, Laforce), Université Laval; Clinique interdisciplinaire de mémoire (Bouchard, Laforce), Centre hospitalier universitaire (CHU) de Québec; Faculté de pharmacie (Kröger), Université Laval, Québec, Que.
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Edeltraut Kröger
Services Gériatriques Spécialisés (Bernier), Centre intégré universitaire de santé et de services sociaux (CIUSSS) de la Capitale-Nationale; CÉGEP de Limoilou (Gourdeau); Centre d’excellence sur le vieillissement de Québec (Carmichael, Verreault, Kröger); Institut universitaire de cardiologie et de pneumologie de Québec (Beauchemin); Faculté de médecine (Verreault, Laforce), Université Laval; Clinique interdisciplinaire de mémoire (Bouchard, Laforce), Centre hospitalier universitaire (CHU) de Québec; Faculté de pharmacie (Kröger), Université Laval, Québec, Que.
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Robert Laforce Jr.
Services Gériatriques Spécialisés (Bernier), Centre intégré universitaire de santé et de services sociaux (CIUSSS) de la Capitale-Nationale; CÉGEP de Limoilou (Gourdeau); Centre d’excellence sur le vieillissement de Québec (Carmichael, Verreault, Kröger); Institut universitaire de cardiologie et de pneumologie de Québec (Beauchemin); Faculté de médecine (Verreault, Laforce), Université Laval; Clinique interdisciplinaire de mémoire (Bouchard, Laforce), Centre hospitalier universitaire (CHU) de Québec; Faculté de pharmacie (Kröger), Université Laval, Québec, Que.
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  • For correspondence: robert.laforce@fmed.ulaval.ca
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Data supplements

  • Online appendices

    • Appendix 1: Summary of the CSHA and NACC database characteristics
    • Appendix 2: Derivation of the model
    • Appendix 3: Relationship between age and MMSE, and education and MMSE
    • Appendix 4: Histograms representing the distributions of the MMSE and QuoCo Distribution of MMSE
    • Appendix 5: ROC curve
    • Appendix 6: Relationship between Sa and the QuoCo for HC, CIND and Dementia
    • Appendix 7: Variations in sensitivity and specificity according to population subgroups
    • Appendix 8: Representative cases

Related Articles

  • Costa, A. (2017). Charting age-associated cognitive decline. CMAJ, 189(48), E1470-E1471. Accessed May 25, 2022. https://doi.org/10.1503/cmaj.171295.
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Canadian Medical Association Journal: 189 (48)
CMAJ
Vol. 189, Issue 48
4 Dec 2017
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Validation and diagnostic accuracy of predictive curves for age-associated longitudinal cognitive decline in older adults
Patrick J. Bernier, Christian Gourdeau, Pierre-Hugues Carmichael, Jean-Pierre Beauchemin, René Verreault, Rémi W. Bouchard, Edeltraut Kröger, Robert Laforce
CMAJ Dec 2017, 189 (48) E1472-E1480; DOI: 10.1503/cmaj.160792

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Validation and diagnostic accuracy of predictive curves for age-associated longitudinal cognitive decline in older adults
Patrick J. Bernier, Christian Gourdeau, Pierre-Hugues Carmichael, Jean-Pierre Beauchemin, René Verreault, Rémi W. Bouchard, Edeltraut Kröger, Robert Laforce
CMAJ Dec 2017, 189 (48) E1472-E1480; DOI: 10.1503/cmaj.160792
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