Fig. 2

Comparisons of 1-year Progression Free Survival (PFS) of T-DM1 between trastuzumab pertuzumab pre-treated population and trastuzumab pre-treated population (EMILIA and TH3RESA trials). The left part of the figure shows the studies included in the analysis with their corresponding rate difference, standard error, lower and upper limits, z-value and p-value while the right part of the figure shows a forest plot of the data. The square represents the risk difference for each study, the horizontal lines represent the values within the 95% confidence interval 8CI) of the underlying effects. The vertical line represents a risk difference of 0