From: Effect of a 14-day course of systemic corticosteroids on the hypothalamic-pituitary-adrenal-axis in patients with acute exacerbation of chronic obstructive pulmonary disease
Cut-off value of basal cortisol
Sensitivity
Specificity
Correctly classified
LR+
LR-
<150 nmol/l
100%
50%
74%
2.0
0.0
<330 nmol/l
80%
86%
83%
5.6
0.2
>400 nmol/l
56%
96%
77%
15.7
0.5