Prevalence of thyroid dysfunctions in a large, unselected population in Duhok city, Iraqi Kurdistan: A cross-sectional study

Abstract

Objective: To determine the prevalence of thyroid-stimulating hormone (TSH) alterations and different types of thyroid dysfunctions in both sexes with no age limitations from variety of sources in Duhok province.
 Patients and Methods: In this retrospective cross-sectional study, we screened 25040 suspicious cases of thyroid diseases in a year (2019), retrieving the data from the computer of three clinical laboratories in the Duhok City; following exclusion of 470 cases, 24568 cases were included to categorize the different types of thyroid dysfunctions.
 Results: The prevalence of TSH alteration was 25.03%, 20.55% of them had a high concentration being statistically higher in females, while only 4.48% was low TSH with equal prevalence among both sexes. Out of 24568 patients, the prevalence of subclinical hypothyroidism was 94.85%, followed by 2.20%, 1.20%, 0.78%, 0.67%, and 0.31% for each of subclinical hyperthyroidism, primary hypothyroidism, central hyperthyroidism, central hypothyroidism, and primary hyperthyroidism respectively.
 Conclusions: The studied population had high prevalence of high TSH level (20.55%), being more prevalent in female than in male. Our survey revealed that the distribution of thyroid disorders was vary among different age groups with highest prevalence of subclinical hypothyroidism in all age groups (94.85%); Also, we concluded that middle & advanced ages, and females were more susceptible to thyroid disorders.

Thyroid Dysfunction and Risk Factors Among Adult People in Sulaimani Province/ Kurdistan-Iraq

“…This result was very high compared to a study which is done in Duhok city. They revealed that the prevalence of thyroid dysfunction was lower (25.03%) among all age groups (Zaman, et al 2021).…”

IL-38 gene expression: A new player in Graves’ ophthalmopathy patients in Iraq

“…Estrogen is also affected by the development of thyroid disorders (18). According to Zaman and his colleagues, Grave's disease had a higher prevalence of increased TSH levels (20.55%) in females than in males (19). It has been demonstrated that Grave's disease is an autoimmune illness that is brought on by a convoluted interaction of hereditary and environmental variables (20).…”

Characteristics of Pregnant Women with Thyroid Disorders at Wahidin Sudirohusodo Hospital Makassar

“…The abnormalities of thyroid function consist of hypothyroidism and hyperthyroidism (1). Disorders of the thyroid gland are the second most common endocrine disorder in the world after diabetes (2). The American Thyroid Association reported that about 20 million Americans experience some form of thyroid disease, and more than 12 % of the US population is estimated to have thyroid dysfunction during their lifetime (3).…”