Results of the simulation study.

Comparison of the discriminatory power resulting from boosting the -index and competing approaches. Numbers refer to the median value and interquartile range (in parentheses) of the final on 100 simulation runs. The true-index refers to the discriminatory power resulting from the true combination of predictors with known coefficients. The amount of pre-selected genes is denoted as , is the size of the training samples and cens. refers to the censoring rate.