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. 2018 Jan 10;13:257–273. doi: 10.2147/COPD.S150650

Figure 2.

Figure 2

Trial-level data, effect estimates, and forest plot of comparison for the overall risk (of experiencing at least one event) (A) and incidence rates (B) of respiratory-cause hospitalization.

Abbreviations: CI, confidence interval; IV, inverse variance; SE, standard error.