hrp0082p1-d2-254 | Thyroid (1) | ESPE2014

TSH: Different Normalization Methods, Very Different Normal Upper Limits

Strich David , Karavani Gilad , Gillis David

Background: Distribution of TSH levels is not normal. This is due to physiological changes that cause temporary increases in TSH during physiological events. Several methods are used to normalize the distribution when defining normal limits.Objective and hypotheses: To compare the normal limits defined by three normalization methods vs non-normalized distribution based on a large cohort with no known thyroidal illness.Method: Data ...