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Graded dexamethasone suppression test
| Day 1 | Day 2 | Day 6 | Postoperative | |||||
|---|---|---|---|---|---|---|---|---|
| midnight | morning | morning | morning | morning | morning | morning | morning | morning |
| Dexamethasone dose (mg) | Cortisol (μg/dl) | ACTH (pg/ml) | Cortisol (μg/dl)* | ACTH (pg/ml)* | Cortisol (μg/dl)* | ACTH (pg/ml)* | Cortisol (μg/dl) | ACTH (pg/ml) |
| 0.5 | 1.6 | 9.5 | <1 | 5.8 | ||||
| 1 | 4.7 | 15.5 | <1 | 5.8 | ||||
| 2 | <1 | 8.4 | <1 | <5 | ||||
| 4 | <1 | <5 | ||||||
| 8 | 1.5 | 6.8 | <1 | 5.9 | ||||
| 0 | 10.7 | 28.5 | 10.7 | 28.5 |
without exogenous glucocorticoid administration
