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Figure 5 | BMC Cancer

Figure 5

From: Systematic review with meta-analysis of the epidemiological evidence in the 1900s relating smoking to lung cancer

Figure 5

Forest plot of ever smoking of any product and all lung cancer – part 5. This is a continuation of Figure 4, presenting the remaining individual study data included in the main meta-analysis for all lung cancer shown in Table 5. Also shown are the combined random-effect estimates. These are represented by a diamond of standard height, with the width indicating the 95% CI. Note that the sizes of the squares for the two estimates from study LIU4 indicate the relative weight of the male and female data, but are not comparable with the sizes of the squares for the other estimates.

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