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Table 3 Means and 95 % confidence intervals of AUCs (%) for four readmission risk modelling approaches

From: Comparison of predictive modeling approaches for 30-day all-cause non-elective readmission risk

  Fitting Validating
  Mean 95 % CI Mean 95 % CI
Fitting/validating data ~ 2,500
 LACE 65.3 (63.0, 67.5) 65.1 (62.8, 67.3)
 STEPWISE 73.3 (70.3, 76.3) 68.6 (65.7, 71.6)
 LASSO 75.1 (71.0, 79.1) 70.3 (68.0, 72.7)
 AdaBoost 82.9 (81.0, 84.8) 67.6 (65.0, 70.3)
Fitting/validating data ~ 5,000
 LACE 64.7 (63.1, 66.3) 64.6 (62.9, 66.2)
 STEPWISE 72.3 (70.5, 74.2) 69.0 (67.4, 70.5)
 LASSO 73.9 (71.4, 76.3) 70.3 (69.0, 71.7)
 AdaBoost 77.9 (76.8, 79.1) 69.4 (67.8, 70.9)
Fitting/validating data ~ 20,000
 LACE 65.2 (64.5, 66.0) 65.3 (64.5, 66.0)
 STEPWISE 74.2 (73.4, 75.1) 73.2 (72.4, 74.0)
 LASSO 74.9 (74.0, 75.7) 73.5 (72.8, 74.3)
 AdaBoost 75.5 (74.7, 76.2) 73.5 (72.8, 74.3)
Fitting/validating data ~ 80,000
 LACE 65.6 (65.2, 65.9) 65.5 (65.2, 65.9)
 STEPWISE 74.0 (73.6, 74.4) 73.4 (73.0, 73.9)
 LASSO 74.3 (73.9, 74.7) 73.7 (73.3, 74.1)
 AdaBoost 74.2 (73.9, 74.6) 73.7 (73.3, 74.1)
  1. In STEPWISE, the threshold for entry and removal is p = 0.01. In LASSO, λ = λmin