Table 2.

Thyroid hormone metabolism parameters

Measured objective n=29	Mean	Range	Standard deviation	95% confidence interval
Free thyroxin (FT4) pmol/L	14.7	11.8-20.8	2.5	13.7-15.6
Triiodothyronin (T3) nmol/L	2.6	2.1-3.5	0.4	2.5-2.7
Thyroxin (T4) nmol/L	108.6	75.0-165.0	22.2	100.1-117.1
Thyroxin-binding globulin (TBG) mg/L	361.4	220-650	96.7	324.6-398.6
Thyroid stimulating hormone (TSH) mU/L	1.75	0.42-4.5	0.98	1.38-2.12

Thyroid hormone metabolism parameters, means, ranges, standard deviation and 95% confidence interval.

Reference intervals: FT4: 9-22 ρmol/L, T4: 70-140nmol/L, T3: 1.2-3.0 nmol/L, TBG: 7-17 mg/L, TSH: 0.5-5.7 mU/L.