Meta-analysis of the 5-year and 10-year cumulative incidence rates of MZL transformation into higher grade lymphoma. (A) Study selection process. Adapted from the Preferred Reporting Items for Systematic Reviews and Meta-Analyses flowchart 2009. (B) Forest plot of the 5-year cumulative incidence rate. (C) Forest plot of the 10-year cumulative incidence rate. τ2, total heterogeneity; I2, total heterogeneity relative to the variance.
