Imputation results under the null with initial value .

Imputation results of E[p*] under the null for different missing data combinations with initial value . Grey lines correspond to the case of equal missingness probability in both arms; Blue lines correspond to missingness in the control arm; Red lines correspond to missingness in the experimental arm. Solid lines correspond to the results without mean imputation, while the dashed lines correspond to the results with mean imputation. (TIF)