Fig. 2From: Global prevalence of asthma-COPD overlap (ACO) in the general population: a systematic review and meta-analysisForest plot showing prevalence of ACO in the general population. Note. Squares represent study-specific prevalence estimates (size of the square denotes the study-specific statistical weight); Horizontal lines represent 95% confidence intervals (CIs); Diamond represents summary estimate of Prevalence with corresponding 95% CI.Back to article page