Fig. 5

Differences between true Cronbach’s alpha and imputed Cronbach’s alpha for 6 imputation methods. (*** Bonferroni p < 0.001 * Bonferroni p < 0.05). Evaluations were done on randomly selected 10, 20 or 30 proteins (left axis) from complete data (296 proteins with no missing values). Global missingness (top axis) of 10 and 20% was introduced for each individual protein list