Table 2.

Comparison of cortisol levels and age among groups.

	All n = 143	Healthy controls n = 56	Psychiatric patients n = 31	Suicide attempt n = 56	Statistics		Post-hoc comparison p-value (mean difference)
		Mean (SD)	Mean (SD)	Mean (SD)	F	p -value	HC vs. SA	HC vs. PP	PP vs. SA
Cortisol level	11.97 ± 11.29	8.79 ± 6.74	12.79 ± 7.36	14.68 ± 15.36	4.08	0.01	0.01 (5.89)	0.32 (4.00)	1 (1.89)
Age	32.88 ± 11.04	34.30 ± 10.37	40.25 ± 9.50	32.50 ± 11.65	5.35	0.006	1 (−1.80)	0.13 (−5.95)	0.05 (7.75)

HC, Healthy controls; PP, Psychiatric patients; SA, Suicide attempts.

Numbers in bold show significant statistical difference.