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|Title: ||Frequency and determinants of thyroid autoimmunity in Ghanaian type 2 diabetes patients: a case-control study|
|Authors: ||Sarfo-Kantanka, Osei|
Sarfo, Fred Stephen
Ansah, Eunice Oparebea
Nkum, Bernard C.
|Keywords: ||Thyroid autoimmunity|
Type 2 diabetes mellitus
|Issue Date: ||2017|
|Publisher: ||BMC Endocrine Disorders|
|Citation: ||BMC Endocrine Disorders (2017) 17:2; DOI 10.1186/s12902-016-0152-4|
|Abstract: ||Background: The link between type 1 diabetes and thyroid autoimmunity is well described. The same cannot be
said for type 2 diabetes where results have been mixed so far. We investigated the prevalence and determinants of
thyroid autoimmunity among Ghanaian type 2 diabetes patients.
Methods: This was a case-control study involving 302 type 2 diabetes patients and 310 non - diabetic controls
aged 40–80 years. Anthropometric and blood pressure measurements were obtained. Fasting samples were
analyzed for glucose, thyroid function, and antibodies to thyroglobulin and thyroid peroxidase.
Results: The prevalence of thyroid autoimmunity was significantly higher among T2DM subjects (12.2% vs. 3.9%, p = 0.
0004). Among T2DM subjects, 44 (14.7%) tested positive for TPOAb, 5 (1.7%) tested positive for TGAb and 15 (5.0%)
tested positive for both autoantibodies. Females T2DM subjects showed a 3-fold increased risk of thyroid
autoimmunity compared to males (OR:3.16, p =0.004), T2DM subjects with hyperthyroidism had a 41% increased risk of
thyroid autoimmunity (OR: 1.41, p < 0.001), sub-clinical hyperthyroidism increased the risk of thyroid autoimmunity by 2
fold, (OR:2.19, p < 0.001), subclinical hypothyroidism increased the risk of autoimmunity by 4-fold, (OR:3.57 95% p < 0.
0001), and hypothyroidism was associated with a 61% increased risk of thyroid autoimmunity (OR: 1.61,1.35–2.23).
Dyslipidaemia was associated with a 44% increased risk of thyroid autoimmunity (OR: 1.44, p = 0.01) and a percentage
increase in HbA1c was associated with 46% increased risk of thyroid autoimmunity (OR:1.46, p < 0.0001).
Conclusion: We observed a high prevalence of thyroid autoimmunity in Ghanaian T2DM subjects compared to the
general population. Thyroid autoimmunity in T2DM subjects was significantly associated with female gender, thyroid
dysfunction, dyslipidaemia and poor glycemic control.|
|Description: ||An article published in BMC Endocrine Disorders (2017) 17:2; DOI 10.1186/s12902-016-0152-4|
|Appears in Collections:||College of Health Sciences|
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