Fig. 1From: Psychological interventions for posttraumatic stress disorder involving primary care physicians: systematic review and Meta-analysis of randomized controlled trialsMeta-analysis of interventions for PTSD including psychological therapies in primary care vs. control; risk of bias summary. Small grey squares represent SMDs for PTSD symptom improvement of individual RCTs, large grey squares represent weights, horizontal lines show 95% CI, grey diamonds represent total SMDs of interventions and 95% CI. a: short-term effects (0–6 months); b long-term effects (12 months and longer); c risk of bias summary according to the Cochrane Collaboration Risk of Bias ToolBack to article page