| AI | artificial intelligence |
| ANN | artificial neural network |
| AUC | area under ROC curve |
| CNN | convolutional neural network |
| KNN | k-nearest neighbor algorithm |
| MPRSA | matching personal response to adapt for the correct classification |
| SD | standard deviation |
| SVM | support vector machines |
| TGHIA | the Taiwan government-run health insurance administration |
| UPRA | unplanned readmission |