Epidemiology of hypothyroidism in Gilan

Hypothyroidism is a syndrome caused by the diminished level of thyroid hormones. Its prevalence has been reported 1-8% in adequate-iodine and 10-20% in low-iodine level regions. The present study has determined the epidemiology of hypothyroidism in Gilan. For this retrospective study, demographic data of ELISA-documented patients with hypothyroidism were gathered during a 10-year period. SPSS soft ware was use for data analysis. Of 407 patients, 84% were females. The mean age of females and males were 37.9±14.8 and 39.5±17 years. Hashimoto was by far the most common cause. Fatigue and weakness were the most common symptoms. All patients had goiter of 1st to 3rd degree. Results have revealed that hypothyroidism is a common complaint in 40-60 years old females. Thyroid tests should be performed in high risk population.