Table 3.
Performance of global and clustering models (GLM model: generalized linear models with variables according ICU mortality table; Global model: GLM model with important variables according to information value analysis for ICU mortality; A, B and C Phenotypes: GLM models with important variables according to information value analysis for each cluster)
Variable | Classic model | Automatic model | A Phenotype | B phenotype | C phenotype |
---|---|---|---|---|---|
No. patients | 2022 | 2017 | 537 | 623 | 857 |
Variables included | 25 | 25 | 26 | 19 | 18 |
Accuracy | 0.78 | 0.77 | 0.86 | 0.80 | 0.72 |
Sensitivity | 0.88 | 0.88 | 0.94 | 0.92 | 0.71 |
Specificity | 0.45 | 0.54 | 0.55 | 0.47 | 0.73 |
AUC ROC | 0.83 | 0.83 | 0.90 | 0.85 | 0.79 |