Endocrine Abstracts

Serum TSH is the most sensitive index of thyroid function in the absence of hypothalamic–pituitary disease.However, TSH reference limits are controversial, particularly the upper limit. District and age subpopulations have unique TSH distribution. We investigated characterization of thyroid hormones in Japanese elderly. 859 participants (mean age 74.3 years) over 60 years without known thyroid disease were surveyed.Percentages...