Flow chart of the selection process.
Forest plot of studies in the meta-analysis of overall symptoms.
CBT, cognitive-behavioural therapy.
Forest plot of studies in the meta-analysis of positive symptoms.
Funnel plots of studies in the meta-analyses of overall symptoms (a), positive symptoms (b) and negative symptoms (c).
Studies with positive findings are to the left; white circles are imputed studies.
Comparisons between studies at high and low risk of bias from masking, allocation concealment and incomplete outcome data
n/a, not applicable.
Comparison between studies not using and using a control intervention
CBT, cognitive–behavioural therapy; TAU, treatment as usual.
Results of tests for publication bias in the analyses of overall symptoms, positive symptoms and negative symptoms
↵a. P-values are one-tailed, as recommended.
↵b. One study imputed.
Including Table DS1, Figs DS1 and DS2 and details of excluded studies
Files in this Data Supplement:
Vol 204 Issue 1
Thank you for your interest in spreading the word about The British Journal of Psychiatry.
NOTE: We only request your email address so that the person you are recommending the page to knows that you wanted them to see it, and that it is not junk mail. We do not capture any email address.