ArticleCureus2025
Frequency and Clinical Correlates of Thyroid Dysfunction in Patients With Type 2 Diabetes Mellitus: A Cross-Sectional Study.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Combined Treatment of Type 2 Diabetes and Hypothyroidism: Impact of Oral Semaglutide and Levothyroxine on Cardiometabolic and Thyroid Parameters: A 6-Month Comparative Study.Epidemiologia (Basel, Switzerland) · 2026Article
- Effect of a nursing intervention based on nutritional support on biochemical parameters and quality of life in patients with hyperthyroidism combined with diabetes mellitus.Frontiers in endocrinology · 2025Article
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11 authors.
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Abstract
backgroundThyroid dysfunction commonly coexists with type 2 diabetes mellitus (T2DM), compounding metabolic derangements and increasing the risk of complications. Despite its clinical significance, the prevalence and spectrum of thyroid dysfunction among South Asian patients with T2DM remain incompletely characterized. This study aimed to determine the frequency and types of thyroid dysfunction in patients with T2DM and to examine its associations with demographic characteristics, glycemic control, metabolic parameters, and microvascular complications.
methodsA cross-sectional study was conducted over a six-month period at a tertiary care hospital in Lahore, Pakistan. Adult patients with confirmed T2DM were enrolled consecutively after informed consent. Clinical assessment included age, gender, body mass index (BMI), duration of diabetes, blood pressure, and glycated hemoglobin (HbA1c), along with documentation of microvascular complications (retinopathy, nephropathy, neuropathy), dyslipidemia, and thyroid profile.
resultsA total of 442 patients were included (mean age 56.12 ± 9.47 years; 228 males, 214 females). Hypothyroidism was present in 105 (23.8%), subclinical hypothyroidism in 66 (14.9%), euthyroid status in 251 (56.8%), and hyperthyroidism in 20 (4.5%). The mean BMI was 26.40 ± 4.33 kg/m², with overweight and obesity most common in hypothyroid (38.1% and 31.4%, respectively) and subclinical hypothyroid (63.6% and 16.7%, respectively) patients. Mean diabetes duration was longest in hypothyroidism (10.37 ± 5.02 years), compared to subclinical hypothyroidism (6.55 ± 5.28 years), euthyroid (5.52 ± 3.69 years), and hyperthyroidism (7.00 ± 4.57 years). Hypothyroid patients reported the poorest glycemic control (mean HbA1c 9.45 ± 1.64%). Microvascular complications (retinopathy 30.5%, nephropathy 20.0%, neuropathy 27.6%) and dyslipidemia (63.8%) were markedly elevated in hypothyroid cases. Statistically significant differences were observed for age, BMI, diabetes duration, and HbA1c across thyroid status groups (all p < 0.001). Thyroid-stimulating hormone (TSH) correlated positively with age (r=0.201), BMI (r=0.131), diabetes duration (r=0.398), and HbA1c (r=0.414).
conclusionThyroid dysfunction, particularly hypothyroidism, was frequent in T2DM and associated with older age, female gender, longer diabetes duration, adverse metabolic profiles, and greater burden of microvascular complications, underscoring the importance of routine thyroid assessment in diabetic care.
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