Table 1. Biochemical measurements and clinical characteristics of the study (86 premenopausal women with subclinical hyperthyroidism) and control (82 healthy premenopausal subjects) groups.

BMI: body mass index, n: number of subjects, TSH: thyroid stimulating hormone, TFT: thyroid function test, fT4: free T4, fT3: free T3, iPTH: Intact parathyroid hormone, Ca: calcium, 25OHD: vitamin D, P: phosphorus.