Table 2 Meta-analysis of case-control studies on the role of the COMT (catechol-O-methyltrasferase) val158/108Met polymorphism in suicidal behavior
From: No association between COMT val158met polymorphism and suicidal behavior: meta-analysis and new data
References | Number of COMTval alleles | Number of COMTmet alleles | Odds Ratio (95% IC) | ||
|---|---|---|---|---|---|
Cases | Control | Cases | Control | ||
Tovilla-Zárate | 126 | 272 | 84 | 200 | 0.90 (0.65-1.26) |
Lee [5] | 223 | 273 | 117 | 121 | 1.18 (0.86-1.61) |
Perroud [29] | 848 | 255 | 784 | 221 | 1.06 (0.86-1.30) |
Zalsman [35] | 182 | 121 | 220 | 117 | 1.25 (0.90-1.72) |
Rujescu [38] | 139 | 323 | 159 | 333 | 1.10 (0.84-1.95) |
Liou [39] | 95 | 275 | 29 | 101 | 0.83 (0.51-1.33) |
Russ [34] | 52 | 58 | 46 | 40 | 1.28 (0.72-2.25) |
Ohara [40] | 11 | 175 | 13 | 95 | 2.17 (0.93-5.04) |
Random effects | 1676 | 1752 | 1452 | 1228 | 1.09 (0.97-1.23) |