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The comparison of free androgen index and serum free testosterone levels in women with hirsutism or polycystic ovary syndrome

Author(s): Oya Güngör | Gönül Erden | Ceylan Bal | Nihal Uğuz1 | Sevilay Sezer | Şeyda Özdemir | H. Tuğrul Çelik | M. Metin Yıldırımkaya

Journal: Journal of Clinical and Experimental Investigations
ISSN 1309-8578

Volume: 2;
Issue: 2;
Start page: 152;
Date: 2011;
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Keywords: Free androgen index | free testosterone | hirsutism | polycystic ovary syndrome

In many laboratories free testosterone can not be measured, so that free androgen index is suggested instead. The aim of this study was to compare free androgen index and serum free testosterone levels measured by radioimmunoassay in women with hirsutism or polycystic ovary syndrome.Materials and methods: Totally 94 women referred to the polyclinics of Ankara Numune Hospital were retrospectively included. Three patient groups were composed; 55 of hirsutism, 20 of polycystic ovary syndrome and 19 of both hirsutism and polycystic ovary syndrome. Total testosterone and sex hormone binding globuline levels were measured by chemiluminescence method and free testosterone levels were measured by radioimmunoassay. Free androgen index was calculated from total testosterone and sex hormone binding globuline.Results: There was a significant positive correlation between free testosterone and free androgen index in patients with hirsutism, in patients with polycystic ovary syndrome, in patients with hirsutism and polycystic ovary syndrome, and in total patient group [r(hirsutism)=0,597, r(PCOS)=0,617, r(hirsutism and PCOS)=0,779, r(total patient group)=0,649, P
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