Table 3 Correlation with fT4, fT3, fT3/fT4 ratio

Correlation with fT4

TSH

-0.51

< 0.0001

fT3

0.53

< 0.0001

HbA1c

0.16

< 0.0001

CPR

-0.15

0.002

osteocalcin

-0.09

0.006

Correlation with fT3

fT4

0.55

< 0.0001

TRAb

0.51

< 0.0001

CPR

0.34

< 0.0001

age

-0.2

< 0.0001

sex (male)

-0.05

0.0001

Correlation with fT3/fT4 ratio

TSH

2.53

< 0.0001

CPR

0.41

< 0.0001

HbA1c

-0.23

< 0.0001

osteocalcin

0.20

0.0022

age

-0.13

0.018