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Table 2 Thyroid hormone metabolism parameters

From: Thyroid hormone metabolism and environmental chemical exposure

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

  1. Thyroid hormone metabolism parameters, means, ranges, standard deviation and 95% confidence interval.
  2. 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.
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Environmental Health

ISSN: 1476-069X