BDNF methylation and mRNA expression in brain and blood of completed suicides in Slovenia

Table 2 BDNF alternative transcript expression in brain Brodmann area 9 and hippocampus in controls and suicide victims

Tissue	BDNF transcript	Total	Subjects				P value	95%CI
		Analyzed	Controls		Suicide victims
		n (%)	n (%)	Relative expression	n (%)	Relative expression
BA9	NM_170731.4	30	15	0.050 ± 0.013	15	0.077 ± 0.024	0.042a	0.001–0.054
	NM_170732.4	35	19	0.139 ± 0.026	16	0.154 ± 0.036	0.451	-0.026–0.058
	NM_170733.3	38	20	0.162 ± 0.027	18	0.188 ± 0.044	0.270	-0.022–0.075
	NM_170735	30	15	0.103 ± 0.019	15	0.095 ± 0.019	0.553	-0.033–0.018
Hippocampus	NM_170731.4	36	16	0.342 ± 0.117	20	0.312 ± 0.069	0.630	-0.154–0.094
	NM_170732.4	35	17	0.420 ± 0.120	18	0.369 ± 0.067	0.428	-0.181–0.079
	NM_170733.3	37	18	0.466 ± 0.111	19	0.475 ± 0.061	0.878	-0.111–0.129
	NM_170735	36	18	0.399 ± 0.092	18	0.341 ± 0.073	0.308	-0.171–0.056

^aNominal statistically significant difference (P < 0.05) two-tailed Student’s t test for two independent samples. CI: Confidence interval. BA9: Brodmann area 9.