Table 2.

Candidate gene associations studies of suicide completers.

Gene	SNP	Population	No. case/No. controls	P-value	OR (95% CI)	References
TPH1	A218C	Canada	35/84	0.49	1.22 (0.69–2.13)	Du et al., 2000
	A218C	Canada	101/129	0.48	1.00 (0.69–1.45)	Turecki et al., 2001
	A218C	Croatia	185/358	0.0156	1.46 (0.22–0.95)	Jernej et al., 2004
	A218C	Croatia	160/284	0.0728	0.76 (0.57–1.01)	Stefulj et al., 2005
	A218C	Croatia	247/320	0.0019	0.80 (0.63–1.02)	Stefulj et al., 2006
	A218C	Denmark	490/1,027	>0.05	0.93 (0.80–1.09)	Buttenschø et al., 2013
	A218C	Japan	132/132	>0.05	1.04 (0.74–1.47)	Ono et al., 2000
	A218C	Japan	134/325	0.2	0.94 (0.69–1.28)	Ohtani et al., 2004
TPH1	A779C	Sweden	24/158	0.094	0.51 (0.27–0.97)	Roy et al., 2001
	A779C	Japan	134/325	0.251	1.10 (0.81–1.48)	Ohtani et al., 2004
TPH2	G-703T	Croatia	291/280	0.7159	0.94 (0.74–1.25)	Stefulj et al., 2011
	G-703T	Japan	234/260	0.249	0.85 (0.66–1.09)	Mouri et al., 2009a
	A-473T	Slovenia	383/222	0.968	1.0194 (0.48–2.18)	Zupanc et al., 2011
	A-473T	Japan	234/260	0.95	0.99 (0.39–2.56)	Mouri et al., 2009b
5-HTTLPR	S/L allele	Caucasian	58/110	0.0019	2.08 (1.32–3.29)	Bondy et al., 2000b
	S/L allele	Caucasian	40/112	0.01	2.83 (1.29–6.22)	Courtet et al., 2004
	S/L allele	French Canadian	106/152	0.002	1.02 (0.71–1.47)	Lopez de Lara et al., 2006
BDNF	Val66Met	Slovenia	359/201	0.021	1.09 (0.81–1.48)	Pregelj et al., 2011
	Val66Met	Slovenia	262/250	0.853	1.06 (0.79–1.43)	Zarrilli et al., 2009
	Val66Met	Japan	300/374	0.753	0.97 (0.78–1.21)	Ratta-Apha et al., 2013