TABLE 1.
Numbered list of the characteristics utilized in this study and their meanings.
| Features | Abbreviation | |
| F1 | Age | Age |
| F2 | Gender | Gender |
| F3 | Dyspnea | Dyspnea |
| F4 | Chest pain | CP |
| F5 | Hemoptysis | Hemoptysis |
| F6 | Syncope | Syncope |
| F7 | Cardiopulmonary resuscitation | CPR |
| F8 | Altered mental status | AMS |
| F9 | Chronic heart failure | CHF |
| F10 | Chronic lung disease | CLD |
| F11 | History of tumor | HOT |
| F12 | Systolic blood pressure | SBP |
| F13 | Diastolic blood pressure | DBP |
| F14 | Pulse rate | PR |
| F15 | Temperature | T |
| F16 | Respiratory rate | RR |
| F17 | White blood cell | WBC |
| F18 | Neutrophil percentage | NEUT% |
| F19 | Hemoglobin | HGB |
| F20 | Blood platelet | PLT |
| F21 | Hydrogen ion concentration | PH |
| F22 | Oxygen saturation | SaO2% |
| F23 | Right heart dysfunction | RHD |