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The Diabetic-Thyroid Link: A Cross-Sectional Study of Thyroid Dysfunction Prevalence in a Diabetic Population

Year: 2025

Type: article

Abstract: OBJECTIVES: This study aimed to assess the prevalence and patterns of thyroid dysfunction in patients with diabetes mellitus (DM) and analyze its association with demographic and clinical factors. MATERIALS AND METHODS: A cross-sectional observational study was conducted on 280 diabetic patients without pre-existing thyroid disease at a tertiary care hospital. Participants underwent clinical evaluation and biochemical assessment of fasting blood sugar, postprandial blood sugar, and thyroid function tests (thyroid-stimulating hormone (TSH), free thyroxine (FT3), free triiodothyronine (FT4)) via chemiluminescent immunoassays. Thyroid dysfunction was classified based on standard definitions. RESULTS: The prevalence of thyroid dysfunction was 30.35%. Subclinical hypothyroidism (SCH) was the most common abnormality (13.22%), followed by overt hypothyroidism (8.21%). A statistically significant association was found between thyroid dysfunction and female gender (p = 0.0091) and insulin therapy (p<0.0001). No significant correlation was observed with age, duration of DM, family history of DM, or body mass index. CONCLUSIONS: Thyroid dysfunction is highly prevalent in diabetic patients, with SCH being predominant. Female patients and those on insulin therapy are at higher risk. Routine screening for thyroid disorders is recommended in all patients with DM.

Source: Cureus

DOI: 10.7759/cureus.95446

Authors: Parth Jani, Niyati N Pandya, Kuldeepkumar Viramgama, Shabir Badi, Dipak Dangar, Pankaj Akholkar

Institutions: All India Institute of Medical Sciences, Rajkot, Government Medical College Bhavnagar

Language: English

Topic: Thyroid Disorders and Treatments

Subfield: Endocrinology, Diabetes and Metabolism

Field: Medicine

Domain: Health Sciences

SDG: Good health and well-being

Open Access status: diamond

OpenAlex ID: W4415555303