Table 5 Comparison with recent studies
Study | This Study | Nie et al., 2021 [21] | Lim et al., 2021 [22] | Guo et al., 2022 [23] |
|---|---|---|---|---|
Setting | Intensive care unit | Intensive care unit | In hospital patient | Emergency room |
Patient number | 1451 | 760 | 297 | 751 |
Study method | 5 ML method + 2 scoring system | 6 ML method + 1 scoring system | 2 ML method + 1 scoring system | 6 ML method + 1 scoring system |
Feature variables | 36 feature variables | 72 feature variables | 15 feature variables | 3–19 feature variables |
Outcome | Mortality | Mortality | Mortality | Mortality |
Testing results (AUC) | 0.913 | 0.819 | 0.900 | 0.844 |
Best predicting model | XGBoost | Random forest | Support Vector Machine | Logistic regression |
Real world application | Yes | No | No | Yes |