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A Strategy For Thyroid Function Tests

K. E. Britton, Valerie Quinn, B. L. Brown and R. P. Ekins
The British Medical Journal
Vol. 3, No. 5979 (Aug. 9, 1975), pp. 350-352
Published by: BMJ
Stable URL: http://www.jstor.org/stable/20474024
Page Count: 3
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A Strategy For Thyroid Function Tests
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Abstract

The concept of decision-aiding ranges was introduced to improve diagnostic efficiency. The clinical uncertainty in distinguishing borderline cases of hyperthyroidism and hypothyroidism among 1569 consecutive requests for thyroid function tests was 47%. This was reduced to 22% by using the free thyroxine index and to under 2% by using specific tests determined by the decision-aiding ranges.

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