Prediction of postdexamethasone cortisol levels by serum sodium levels in patients with major depression [published erratum appears in Am J Psychiatry 1987 May;144(5):697]
Abstract
The authors analyzed the dexamethasone suppression test (DST) results of 54 patients with major depressive disorder in relation to their pre- DST levels of cholesterol, sodium, potassium, and blood glucose, which are thought to have adrenocorticotrophic links. Discriminant analysis revealed that sodium alone was a significant predictor of nonsuppression. Validation of the predictive power of sodium could minimize the need for DST administration.
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