Hypothyroxinemia in Critically III Patients as a Predictor of High Mortality

Michael F. Slag, John E. Morley, frank q Nuttall, Michael K. Elson, Rex B. Shafer, Terry W. Crowson

Research output: Contribution to journalArticlepeer-review

50 Scopus citations

Abstract

Thyroid function was measured in 86 patients hospitalized in an intensive care unit. Two patients were found to have primary hypothyroidism and were excluded from the study. Hypothyroxinemia with normal thyroidstimulating hormone (TSH) levels was found in 22% of the patients and was associated with a high mortality (thyroxine [T4] levels less than 3.0 μg/DL, 84% mortality; T4 levels of 3.0 to 5.0 γg/DL, 50% mortality; and T4 levels greater than 5.0 γg/DL, 15% mortality). There was a high correlation between low T4 levels and mortality.

Original languageEnglish (US)
Pages (from-to)43-45
Number of pages3
JournalJAMA: The Journal of the American Medical Association
Volume245
Issue number1
DOIs
StatePublished - Jan 2 1981

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