Table 3.

SST results with AUC, best-fit serum cortisol (max (Sensitivity+Specificity−100)) and sensitivities and specificities for serum cortisol concentrations (nmol/l).

Group	AUC	Best-fit cortisol (nmol/l)	Specificity (%)			Sensitivity (%)
95	99	100	95	99	100
All patients (n=2773)	0.91 (0.89–0.92)	221 (86%sens+77%spec)	347	461	506	164	107	<20
All current GC use (n=404)	0.92 (0.89–0.94)	220 (78%sens+88%spec)	331	386	410	168	63	34
Inhaled GCs (n=166)	0.90 (0.85–0.95)	308 (70%sens+94%spec)	342	347	348	146	62	34
Oral GCs (n=143)	0.89 (0.84–0.94)	213 (74%sens+94%spec)	383	405	413	198	115	114