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Table 4 Corrected performance of two new models after internal validation

From: Prognostic nomogram for 30-day mortality of deep vein thrombosis patients in intensive care unit

  Stepwise logistic regression Logistic regression with LASSO
Original Optimism Corrected Original Optimism Corrected
AUC 0.885 0.035 0.850 0.845 0.015 0.830
Brier score 0.091 − 0.014 0.105 0.108 − 0.005 0.114
  1. LASSO least absolute shrinkage and selection operator, AUC area under the curve