Abstract
Background and objectives
Overweight and obesity are among the important challenges in health issues and survival of elderly people. The current study aimed to evaluate the survival rate of elderly patients with diabetes, and its influencing factors, on the basis of body mass index (BMI).
Methods and materials
The design of the current study was based on the Amirkola Health and Aging Project (AHAP) cohort. The 5–year survival rate of elderly people with diabetes and the factors that influence the mortality rate by Cox regression model were analyzed.
Results
Out of 1616 elderly people who were evaluated in the current study, 501 (31%) had diabetes. The results showed that diabetes significantly increased the mortality rate (adjusted hazard ratio [HR] = 2.10; 95% confidence interval [CI]: 1.57–2.81; P < 0.001). Furthermore, overweight (HR = 0.41; 95%CI: 0.24–0.75; P = 0.002), obesity (HR = 0.30; 95% CI: 0.41–0.63; P = 0.002), history of diabetes (HR = 0.56; 95%CI: 0.34–0.93; P = 0.024), moderate and high physical activity level (HR = 0.36; 95%CI: 0.13–0.99; P = 0.049) decreased the risk of mortality and central obesity (HR = 1.76; 95% CI: 1.01–3.11; P = 0.049), fasting blood sugar ≥200 (HR = 2.46; 95% CI: 1.46–4.15; P < 0.001), brain stroke, and neurological diseases (HR = 3.12; 95% CI: 1.78–5.49; P < 0.001) increased the risk of mortality.
Conclusion
Although overweight and obesity significantly improved the risk of mortality in elderly patients with diabetes, central obesity is still considered as an important risk factor.
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Abbreviations
- AHAP :
-
amirkola health and ageing project
- BMI :
-
body mass index
- CI :
-
confidence interval
- CPH :
-
cox proportional hazard
- CVA :
-
cerebrovascular accident
- DM :
-
diabetes mellitus
- DSSI :
-
duke social support index
- FBS :
-
fasting blood sugar
- GDS :
-
geriatric depression scale
- IDF :
-
international diabetes federation
- PASE :
-
physical activity scale for elderly
- WC :
-
waist circumference
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Acknowledgements
The authors would like to thank all authorities of Babol University of Medical Sciences,
AHAP collaboration and the elderly participants of this project.
Funding
This study has been financially supported by the Research and Technology Deputy of Babol University of Medical Sciences with grant number 9440021.
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AB, SRH, RC and RG conceived and designed the study. AB, MY, RR and AS gathered the data. AB performed the statistical analysis. AB drafted the manuscript. SRH and RG critically revised the manuscript. All authors read and approved the final manuscript.
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The authors declare that they have no competing interests.
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Our study was reviewed and approved by ethics committee, Babol University of Medical Sciences.
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Bijani, A., Cumming, R.G., Hosseini, SR. et al. Obesity paradox on the survival of elderly patients with diabetes: an AHAP-based study. J Diabetes Metab Disord 17, 45–51 (2018). https://doi.org/10.1007/s40200-018-0337-7
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DOI: https://doi.org/10.1007/s40200-018-0337-7