To establish references for thyroid 24h 123I uptake value (TUV), we reviewed 475 patients who had freeT4 and TSH dosages, and TUV measured 24h after the administration of 123I. The patients were separated in 3 groups: hyperthyroid, euthyroid and hypothyroid, according to thyroid hormone results. The mean and standard deviation (SD) of the TUVs were calculated for each group. We used the unpaired T test to compare the means and ROC curves to evaluate the best TUV to separate the […]