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. 2018 Sep 17;22(1):19–27. doi: 10.1093/ijnp/pyy061

Figure 2.

Figure 2.

Forest plots demonstrating the ORs of the differences in current smoking rate between patients with schizophrenia (SZ) and the general population (GP). The results are presented using ORs with 95% CIs in the forest plots for each study. The diamond (blue: male, red: female, black: combined) in the bottom portion represents the pooled OR with a 95% CI. A positive OR indicates that SZ patients have a higher prevalence of current smoking than the GP, while a negative OR indicates that SZ patients have a lower prevalence than the GP.