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Table 2 Risk of bias summary of controlled trials of quetiapine in major depressive disorder

From: Quetiapine monotherapy in acute phase for major depressive disorder: a meta-analysis of randomized, placebo-controlled trials

Study Issues of bias
1 2 3 4 5 6 7 8
Cutler AJ 2009 N N N N N N N N
Weisler R 2009 N N N N N N N N
Bortnick B 2011 N/A N/A N N N N N N
  1. 1=Adequate sequence generation; 2 = Allocation concealment; 3=Blinding (Subjective outcome); 4 = Dropout data addressed; 5 = Free of selective reporting; 6 = Free of other bias; 7 = Baseline similarity; 8 = Intention-to-treat analysis or modified intention-to-treat analysis; N/A = not available; N = No risk of bias.