Table 1

Descriptive characteristics from 23 studies on the role of theT102C polymorphism of the 5HTR2A gene in suicidal behavior
Study (Year) Sample Size n (Cases-Controls) Location Diagnosis Number of C alleles Gender (males/females) Mean age (years)
Cases Controls Cases Controls
Tan (2002) 47/94 Singapore SA with schizophrenia 32 47 94
Pooley (2003) 129/329 United Kingdom Caucasians SA 154 52/77 138/191 38 38
Chen (2001) 471/523 Hong Kong SA with schizophrenia 193 314 308/215
Saiz (2008) 193/420 Asturias in Northern Spain SA 196 70/123 216/204 35 40
Du (2000) 42/131 Ottowa SA with major depression 99 48/30 61/70 40 36
Wrsozek (2011) 38/118 Polish Caucasians SA with alcohol-dependent 33 26/12 81/29 >18 >18
Khait (2005) 52/63 European Caucasians SA with depression 54 30/24 12/51 37 40
Correa (2007) 42/85 Brazilian SA with schizophrenia 83 23/19 45/40
Vaquero-Lorenzo (2008) 441/410 Spanish Caucasians SA 472 161/280 237-173 38 36
Du (1999) 24/31 Budapest, Hungary SC with depression 32 24 31 45 50
Bondy (2000) 131/125 Caucasians Germany SA with major depression 142 91/40 60/75 46 47
Zhang (2008) 297/303 Shangai SA with schizophrenia, anxiety and organic mental disorder 229 171/126 217/112 46 43
Preuss (2000) 45/117 Caucasians Germany SA with alcohol-dependence 52 45 56/61 47
Preuss (2000) 62/117 Caucasians Germany SI with alcohol-dependence 66 62 56/61 47
Ertugrul (2004) 71/26 Caucacians and African-americans SA with schizophrenia 49 26/12 81/29
Crawford (2000) 78/131 Caucasians Australian SC 73 68 95
Crawford (2000) 68/95 Caucasians Australian SI 99 78 131
Turecki (1999) 56/126 Montreal SC 68 56 126 36 33
Ono (2001) 151/163 Japanese SC 157 106/45 108/55 47 47
Zhang (1997) 15/150 Japanese SA with mood disorders 21 15 65/85 33 37
Tsai (1999) 61/96 Taipei SA with mood disorders 49 61 96 71
Arias (2001) 33/164 Spanish SA 42 33 83/71 55 41
Tovilla (2012) 161/244 Mexican SA 220 61/100 82/162 25 33

SA: Suicide attempters; SC: Suicide completers; SI: Suicide ideation.

González-Castro et al.

Gonz├ílez-Castro et al. BMC Psychiatry 2013 13:25   doi:10.1186/1471-244X-13-25

Open Data