Research Article

Patterns and Determinants of Change in Cortisol Levels and Thyroid Function as a Function of Cardiac Risk in Children Undergoing Cardiac Surgery

Figure 1

Changes in thyroid function and cortisol level in the 72-hour postoperative period. Bars represent the mean levels of (a) TSH, (b) fT4, (c) fT3, and (d) cortisol in the preoperative period and 24, 48, and 72 hours postop. Significance levels are calculated with reference to the levels observed in the preoperative period: .
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