Session - 5 December 18, 2007 AACC Symposium |
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| Authors: | C E J Udiong A E Udoh M E Etukudoh |
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| Institution: | (1) Department of Chemical Pathology, College of medical Sciences, University of Calabar, PMB 115, Calabar, Cross River State, Nigeria |
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| Abstract: | The prevalence of abnormal thyroid hormone levels in diabetes mellitus in Nigeria is not well described. To determine the
incidence of abnormal thyroid hormone levels in diabetics in Calabar, Nigeria, fasting blood samples from 161 diabetic subjects
and 105 non-diabetic controls were analysed. Free thyroxine (FT), thyroid stimulating hormone (TSH), total triiodothyronine
(T3) and total thyroxine (T4) kits obtained from Biomerica Inc. of USA were used for the analysis. TSH levels (1.80±1.62) in diabetics were significantly
lower (p=0.016) than the level in non-diabetic controls (2.34±1.24). Male diabetics had lower (p<0.05) levels of TSH (1.192±0.68
miu/ml) than diabetic females (1.90±1.70 mlu/mt). The level of T3 in diabetic males (125±97ng/ml) was higher than the level in females (98±75ng/dl). TSH (F=2.74, p=0.049), T4(F=56.87, p=0.001), T3(F=56.44, P=0.001) in diabetics and FT4 (F=5.74, p=0.002) in controls showed significant variation with the ages of the subjects. Out of 161 diabetics subjects studies
26.6% had low plasma thyroid hormone levels (FT4>2.01 ng/dl). This study has shown a high incidence (46.5%) of abnormal thyroid hormone levels among the diabetics in Nigeria
(hypothyroidism 26.6%, hyperthyroidism, 19.9%). The prevalence of hypothyroidism was higher in women (16.8%) than in men (9.9%),
while hyperthyroidism was higher in males (11%) than in females (8%). This study has defined thyroid function status of diabetics
in Calabar, Nigeria probably the first of such work in Africa. |
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| Keywords: | Thyroid hormones diabetes mellitus diagnosis |
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