Table 1.
Names of selected variables from the myocardial infarction complication dataset
| Variable name | Meaning |
|---|---|
| General input values | |
| AGE | Age |
| DLIT_AG | Duration of arterial hypertension |
| ant_im | Presence of an anterior myocardial infarction (left ventricular) |
| FK_STENOK | Functional class of angina pectoris in the last year |
| GIPER_NA | Increase of sodium in serum (>150 mmol/L) |
| IBS_POST | Coronary heart disease in recent weeks, days before the admission time |
| inf_im | Presence of an inferior myocardial infarction (left ventricular) |
| lat_im | Presence of a lateral myocardial infarction (left ventricular) |
| K_BLOOD | Serum potassium content (mmol/L) |
| L_BLOOD | White blood cell count (billions per liter) |
| NA_BLOOD | Serum sodium content (mmol/L) |
| post_im | Presence of a posterior myocardial infarction |
| NA_R_1_n | Use of opioid drugs in the ICU in the first hours of the hospital period |
| NA_R_2_n | Use of opioid drugs in the ICU in the second day of the hospital period |
| NA_R_3_n | Use of opioid drugs in the ICU in the third day of the hospital period |
| NOT_NA_1_n | Use of NSAIDs in the ICU in the first hours of the hospital period |
| NOT_NA_2_n | Use of NSAIDs in the ICU in the second day of the hospital period |
| NOT_NA_3_n | Use of NSAIDs in the ICU in the third day of the hospital period |
| R_AB_1_n | Relapse of the pain in the first hours of the hospital period |
| R_AB_2_n | Relapse of the pain in the second day of the hospital period |
| R_AB_3_n | Relapse of the pain in the third day of the hospital period |
| TIME_B_S | Time elapsed from the beginning of the attack of CHD to the hospital |
| Inputs from anamnesis | |
| nr_03 | Paroxysms of atrial fibrillation |
| nr_04 | A persistent form of atrial fibrillation |
| nr_11 | Observing of arrhythmia |
| np_10 | Complete RBBB |
| STENOK_AN | Exertional angina pectoris |
| zab_leg_02 | Obstructive chronic bronchitis |
| zab_leg_03 | Bronchial asthma |
| zab_leg_06 | Pulmonary tuberculosis |
| ZSN_A | Presence of chronic heart failure |
| Inputs for the time of admission to hospital | |
| n_p_ecg_p_06 | Third-degree AV block on ECG |
| n_p_ecg_p_08 | LBBB (posterior branch) on ECG |
| n_p_ecg_p_12 | Complete RBBB on ECG |
| n_r_ecg_p_05 | Paroxysms of atrial fibrillation on ECG |
| n_r_ecg_p_06 | Persistent form of atrial fibrillation on ECG |
| n_r_ecg_p_08 | Paroxysms of supraventricular tachycardia on ECG |
| ritm_ecg_p_01 | Sinus ECG rhythm (HR between 60 and 90) |
| ritm_ecg_p_02 | Atrial fibrillation in ECG rhythm |
| ritm_ecg_p_04 | Atrial ECG rhythm |
| ritm_ecg_p_06 | Idioventricular ECG rhythm |
| ritm_ecg_p_07 | Sinus ECG rhythm (HR >90) |
| SVT_POST | Paroxysms of supraventricular tachycardia |
| Inputs for the time of admission to ICU | |
| D_AD_ORIT | Diastolic blood pressure (mm Hg) |
| S_AD_ORIT | Systolic blood pressure (mm Hg) |
| FIB_G_POST | Ventricular fibrillation |
| K_SH_POST | Cardiogenic shock |
| MP_TP_POST | Paroxysms of atrial fibrillation |
| O_L_POST | Pulmonary edema |
| Complications | |
| FIBR_PREDS | Atrial fibrillation |
| PREDS_TAH | Supraventricular tachycardia |
| JELUD_TAH | Ventricular tachycardia |
| FIBR_JELUD | Ventricular fibrillation |
| DRESSLER | Dressler syndrome |
| ZSN | Chronic heart failure |
| OTEK_LANC | Pulmonary edema |
| P_IM_STEN | Post-infarction angina |
| REC_IM | Relapse of the myocardial infarction |
| A_V_BLOK | Third-degree AV block |
| RAZRIV | Myocardial rupture |
| Cause of death | |
| LET_IS=0 | Survive |
| LET_IS>0 | Death with cause from 1 to 7 |
| LET_IS_0 | Survive |
| LET_IS_1 | Cardiogenic shock |
| LET_IS_2 | Pulmonary edema |
| LET_IS_3 | Myocardial rupture |
| LET_IS_4 | Progress of congestive heart failure |
| LET_IS_5 | Thromboembolism |
| LET_IS_6 | Asystole |
| LET_IS_7 | Ventricular fibrillation |
AV: atrioventricular; CHD: coronary heart disease; ECG: electrocardiogram; HR: heart rate; ICU: intensive care unit; LBBB: left bundle branch block; NSAID: nonsteroidal anti-inflammatory drug; RBBB: right bundle branch block.