Table 2. Correlation (Pearson's coefficient) between BDNF levels and LDAEP or psychometric ratings.

	LDAEP	HAMD	HAMA	BIS	BHS	BSS
BDNF	0.1 (p = 0.47)	0.1 (p = 0.48)	0.011 (p = 0.94)	0.3 (p = 0.036)	0.23 (p = 0.1)	0.17 (p = 0.23)

HAMD, Hamilton Depression Rating Scale; HAMA, Hamilton Anxiety Scale; BIS, Barratt Impulsiveness Scale; BHS, Beck Hopelessness Scale; BSS, Beck Scale for Suicidal Ideation.