Table 4.
STB for Δ-cortisol vs. predictors.
| Predictor variable | STB | p value∗ |
|---|---|---|
| Baseline CSR (% CSRmax) | −0.55 | <0.001 |
| Albumin concentration | 0.31 | <0.001 |
| CBG concentration | 0.19 | 0.01 |
| Free cortisol half-life | 0.19 | 0.03 |
Δ-cortisol is defined as the total cortisol concentration 60 min post-ACTH1-24 (250 μg) minus baseline total cortisol concentration (at time zero). ACTH, adrenocorticotrophin; CBG, corticosteroid-binding globulin; CSR, cortisol secretion rate; CSRmax, maximal CSR; STB, standardised beta. ∗By Wald's test.