July 2011: Volume 37, Number 7

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Figure 3
Relationship between Basal and rhTSH-Stimulated Tg

Individual recombinant human TSH (rhTSH) tests (n=1029) measured by a second- generation method grouped according to the basal Tg concentration. The dark shading indicates measurements that were below the assay functional sensitivity limit of 0.05 ng/mL. For each group the percent of tests with rhTSH-Tg responses above the customary cutoff of 2.0 ng/mL is shown.

Adapted from reference 8.