Table 2. Comparison of serum cortisol level according to the outcome.

Serum cortisol, µg/dL	Non-survivors	Survivors	P
Baseline	84.25 ± 45.41	49.36 ± 36.46	0.09
30 min post-cosyntropin test	94.04 ± 50.95	57.72 ± 38.90	0.085
60 min post-cosyntropin test	103.23 ± 54.99	62.64 ± 42.36	0.049
24 h post-cosyntropin test	100.05 ± 62.48	97.48 ± 75.90	0.6

Variables were presented as mean ± SD. Significance level was considered as 0.05.