This article originally published with errors in figure 1 and tables 1 and 3. The correct figure and tables are included below.
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Fig. 1 Prisma flow chart
Table 1 Characteristics of studies
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N = number of studies; RCT = randomised control studies; BD = bipolar disorder; DSM = Diagnostic and Statistical Manual of Mental Disorders; ICD = International Classification of Diseases
Table 3 Meta-analysis of primary outcome
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K = number of studies; N = number of participants combined in included studies; ES = Effect size; SE = Standard error; CI = confidence interval; I2 = heterogeneity; RCT = randomised controlled trial; BD = bipolar disorder
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