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J Am Med Dir Assoc. 2016 Oct 1;17(10):949-55. doi: 10.1016/j.jamda.2016.07.013. Epub 2016 Sep 3.

Frailty as a Major Factor in the Increased Risk of Death and Disability in Older People With Diabetes.

Author information

1
Service of Geriatrics, Getafe University Hospital, Getafe, Spain.
2
Foundation for Biomedical Research, Getafe University Hospital, Getafe, Spain.
3
Service of Geriatric Medicine, Hospital Virgen del Valle, Complejo Hospitalario de Toledo, Toledo, Spain.
4
Divisions of Geriatric Medicine and Endocrinology, Saint Louis University School of Medicine, St. Louis, MO.
5
Department of Preventive Medicine and Public Health, Universidad Autónoma de Madrid/IdiPaz, and CIBER of Epidemiology and Public Health (CIBERESP), Madrid, Spain.
6
Foundation for Diabetes Research in Older People, Diabetes Frail Ltd, Droitwich Spa, United Kingdom.
7
Service of Geriatrics, Getafe University Hospital, Getafe, Spain; Foundation for Biomedical Research, Getafe University Hospital, Getafe, Spain. Electronic address: leocadio.rodriguez@salud.madrid.org.

Abstract

OBJECTIVES:

To assess the role of frailty in predicting death and incident disability in older adults with type 2 diabetes mellitus.

DESIGN:

Prospective cohort study.

SETTING:

Community dwelling.

PARTICIPANTS:

A total of 1825 individuals ≥65 years old recruited between June 2006 and September 2009 were followed for a median of 5.5 years for mortality and 4.98 years for incident functional disability in activities of daily living. Self-reported diabetes, comorbidities (Charlson index), cardio- and cerebrovascular diseases, drug treatments, Frailty Trait Score (FTS) and Frailty Index (FI), activities of daily living, heart rate, and blood pressure among others were collected at baseline.

MAIN OUTCOME MEASURES:

Survival analysis (Kaplan-Meier), adjusted Cox proportional-hazards models, and binary logistic regression were used to assess the relationship between frailty, comorbidity, and vascular diseases and time to death and incident disability.

RESULTS:

A total of 363 people had diabetes. Among them, 83 deaths and 84 cases of incident disability occurred during follow-up. People with diabetes died more frequently than those without diabetes [hazard ratio = 1.36, 95% confidence interval (CI) 1.06-1.75; P = .002], showing a poorer functional status at baseline. Survival analysis showed a relationship between frailty quartiles and the risk of death. In the adjusted Cox-models, only age and frailty indices, but not comorbidity or cardio/cerebrovascular diseases, were associated with the risk of death and incident disability after adjusting for measures of frailty. The hazard ratio for death was 1.51 (95% CI 1.28-1.77) and 1.83 (95% CI 1.49-2·26) for each 10 points increase in the FTS and FI; odds ratio for incident disability was 1·64 (95% CI 1.22-2.20) and 1·35 (95% CI 1.09-1.67) when using FI and FTS, respectively.

CONCLUSIONS:

Frailty is an important risk factor for death and disability in older adults with diabetes, supporting the recent recommendations that frailty status should be routinely assessed in these patients.

KEYWORDS:

Older adults; disability; frailty; mortality; risk factors; type 2 diabetes

PMID:
27600194
DOI:
10.1016/j.jamda.2016.07.013
[Indexed for MEDLINE]

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