Factors correlating with ${}^{\text{99m}}{\text{TcO}}_4^{-}$ uptake

Correlation coefficients

P value

TSH receptor antibody

0.48

<0.01

Free T3

0.53

<0.01

Free T4 (all case)

0.60

<0.01

Free T4 (under 7 ng/ml )

0.39

<0.01

Free T4 (above 7 ng/ml)

0.12

0.70