Table 3.
Input variables in preadmission and predischarge stages with associated values for ANN models.
| Stage | Variables | Value (Boolean value) | ||
|---|---|---|---|---|
| Preadmission | Gender | Male (0) | Female (1) | |
| Age | 21~99 | |||
| Location | Taipei branch (0) | Tamshui branch (1) | ||
| Main diagnosis (for non-CAS patients) | AMI (0) | HF (1) | ||
| Comorbidity | Myocardial infarction (ICD410/412) | Absence (0) | Presence (1) | |
| Diabetes (ICD250) | Absence (0) | Presence (1) | ||
| Cerebrovascular disease (ICD433/434/437/438) | Absence (0) | Presence (1) | ||
| Cardiac dysrhythmias (ICD427) | Absence (0) | Presence (1) | ||
| Heart failure (ICD428) | Absence (0) | Presence (1) | ||
| Chronic airway obstruction (ICD496) | Absence (0) | Presence (1) | ||
| Hypertensive disease (ICD401/402/403/404) | Absence (0) | Presence (1) | ||
| Coronary atherosclerosis (ICD414) | Absence (0) | Presence (1) | ||
|
| ||||
| Predischarge | Intervention | Percutaneous transluminal coronary angioplasty (PTCA) | No (0) | Yes (1) |
| Percutaneous coronary intervention (PCI) | No (0) | Yes (1) | ||
| Coronary angiography | No (0) | Yes (1) | ||
| Coronary stenting | No (0) | Yes (1) | ||
| Cardiac catheterization | No (0) | Yes (1) | ||
| Left ventricular X-ray | No (0) | Yes (1) | ||
| Use TW-DRG as payment method | No (0) | Yes (1) | ||