[Determination of normal values by means of various statistical methods derived from radioiodine tests (author's...

Normal values derived from 361 euthyroid patients were calculated by means of five different statistical methods and compared. Borderline values were also obtained from 61 patients with hyperthyroidism, nine with hypothyroidism and ten with autonomous adenomas. The following individuals data were collected: 131 I-PBI after 48 hours, thyroid uptake after two, 24 and 48 hours.