Fig. 2From: Salt wasting syndrome in brain trauma patients: a pathophysiologic approach using sodium balance and urinary biochemical analysisAbility of sodium balance during one period to predict the occurrence of hyponatremia the following period: ROC curve andTwo-curve graph showing the sensitivity and specificity of the different values of sodium balance to predict the occurrence of hyponatremia the following period; the inconclusive grey zone is displayed as a grey rectangle for a sodium balance between − 130 and + 100 mmol/dayBack to article page