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International Journal of Endocrinology
Volume 2015, Article ID 570198, 5 pages
http://dx.doi.org/10.1155/2015/570198
Research Article

Thyroid Dysfunction and Associated Risk Factors among Nepalese Diabetes Mellitus Patients

1Department of Pharmacy, Central Institute of Science and Technology (CIST) College, Pokhara University, Kathmandu, Nepal
2Department of Medical Laboratory Technology, Modern Technical College, Satdobato, Lalitpur, Nepal
3Department of Biochemistry, Universal College of Medical Sciences, Bhairahawa, Nepal
4Department of Biochemistry, B. P. Koirala Institute of Health Sciences, Dharan, Nepal

Received 15 May 2015; Revised 15 July 2015; Accepted 28 July 2015

Academic Editor: Carlo Cappelli

Copyright © 2015 Saroj Khatiwada et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objectives. To assess thyroid function and associated risk factors in Nepalese diabetes mellitus patients. Methods. A cross-sectional study was carried out among 419 diabetes mellitus patients at B. P. Koirala Institute of Health Sciences, Dharan, Nepal. Information on demographic and anthropometric variables and risk factors for thyroid dysfunction was collected. Blood samples were analysed to measure thyroid hormones, blood sugar, and lipid profile. Results. Prevalence rate of thyroid dysfunction was 36.03%, with subclinical hypothyroidism (26.5%) as the most common thyroid dysfunction. Thyroid dysfunction was much common in females (42.85%) compared to males (30.04%) and in type 1 diabetes (50%) compared to type 2 diabetes mellitus (35.41%) . Diabetic patients with thyroid dysfunction had higher total cholesterol, HDL cholesterol, and LDL cholesterol in comparison to patients without thyroid dysfunction. Significant risk factors for thyroid dysfunction, specifically hypothyroidism (overt and subclinical), were smoking (relative risk of 2.56 with 95% CI (1.99–3.29, )), family history of thyroid disease (relative risk of 2.57 with 95% CI (2.0–3.31, )), and female gender (relative risk of 1.44 with 95% CI (1.09–1.91, )). Conclusions. Thyroid dysfunction is common among Nepalese diabetic patients. Smoking, family history of thyroid disease, and female gender are significantly associated with thyroid dysfunction.