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Table 4 Studies included in the stressful life events meta-analysis

From: Interaction between stress and the BDNFVal66Met polymorphism in depression: a systematic review and meta-analysis

Source

Sample size

One-sided Pvalue

Kim et al., 2007 [43]

732

0.000315

Bukh et al., 2009 [82]

290

0.004

Hosang et al., 2010 [75]

1,085

0.02

Lavebratt et al., 2010 [68]

950

0.5

Juhasz et al., 2011 [74]

1,269

0.2615

Elzinga et al., 2011 [81]

1,435

0.43

Chen et al., 2012 [69]

780

0.9875

Perea et al., 2012 [77]

302

0.0185

Herbert et al., 2012 [83]

279

0.0935

Jiang et al., 2013 [89]

238

0.9805

Brown et al., 2013 [85]

234

0.0004

Total

7,594

 

Average sample size

690

0.01