Table 1. An explicit comparison between recent ML-based studies on heart failure mortality.
| Author and year | Data-balancing technique | Feature optimization | Performed model | Explainable AI |
|---|---|---|---|---|
| Newaz, Ahmed & Haq (2021) | SMOTE | Single-objective | RF | (✗) |
| Ishaq et al. (2021) | SMOTE | Single-objective | ET | (✗) |
| Le et al. (2021) | (✗) | Single-objective | RF | (✗) |
| Hussain et al. (2021) | (✗) | Single-objective | SVM | (✗) |
| Sutradhar et al. (2023b) | SMOTE-ENN | Single-objective | IBS | (✗) |
| Li et al. (2022) | (✗) | Single-objective | XGB | SHAP |
| Mishra (2022) | SMOTE | Single-objective | SVM | (✗) |
| Plati et al. (2021) | SMOTE | Single-objective | ROT | (✗) |
| Nishat et al. (2022) | SMOTE-ENN | Single-objective | RF | (✗) |
| Sabahi, Vali & Shafie (2023) | SMOTE | Single-objective | XGB | (✗) |
| Luo et al. (2022) | (✗) | Single-objective | XGB | (✗) |
| Chicco & Jurman (2020) | (✗) | Single-objective | RF | (✗) |
| Mpanya et al. (2023) | (✗) | Single-objective | RF | (✗) |
| Mohan, Thirumalai & Srivastava (2019) | (✗) | Single-objective | HRFLM | (✗) |
| Rahman et al. (2023) | (✗) | Single-objective | Stacking | (✗) |
| Sutradhar et al. (2023c) | Consisting of Boosting, SMOTE, and Tomek links (BOO-ST) | Single-objective | CBCEC | (✗) |
| Muthulakshmi, Kavitha & Aishwarya (2022) | (✗) | Multi-objective | SVM | (✗) |
| Moreno-Sánchez (2023) | (✗) | Single-objective | RF | SHAP |
| Wrazen et al. (2023) | (✗) | Single-objective | DT | SHAP |
| Our study | SMOTE and Tomeklink | Multi-objective | SEHM | LIME |