Fig. 1. Feature selection across 100 models obtained from repeated application of group LASSO regression with tenfold cross-validation on the training set.

a Analysis 1: model selection including IDS₃₀ total score (198 features). b Analysis 2: model selection excluding IDS₃₀ total score (197 features). (i) The number of features selected in each model. (ii) Selection fractions of each feature