| Variable;Column;Notes;Codes |
| Exit of the study;D;Cause of exit from the study;"0: survivor; " |
| ;;;"1: lost to follow-up; " |
| ;;;"2: cardiac transplantation; " |
| ;;;"3: Death; " |
| ;;;According to closing date of the study |
| Cause of death;E;Cause of death;"0: survivor; " |
| ;;;"1: non-cardiac death; " |
| ;;;"3: SCD; " |
| ;;;"6-7: Pump-failure death; " |
| ;;;According to closing date of the study |
| HF etiology - Diagnosis;P;Previous heart failure etiology;1: Idiopathic dilated cardiomyopathy |
| ;;;2: Ischemic dilated cardiomyopathy |
| ;;;3: Enolic dilated cardiomyopathy |
| ;;;4: Valvular cardiomyopathy |
| ;;;5: Toxic dilated cardiomyopathy |
| ;;;6: Post-myocardial dilated cardiomyopathy |
| ;;;7: Hypertrophic cardiomyopathy |
| ;;;8: Hypertensive cardiomyopathy |
| ;;;9: Other |
| Prior implantable device;V;;0: No |
| ;;;1: Pacemaker-I |
| ;;;2: Pacemaker-II |
| ;;;3: Pacemaker-III |
| ;;;4: CRT-I |
| ;;;5: ICD |
| ;;;6: Unknown device |
| ;;;8: CRT-II |
| Prior Revascularization;W;;0: No |
| ;;;1: Percutaneous revascularization |
| ;;;2: Surgical revascularization |
| ;;;3: Both |
| Syncope;X;;0: NO |
| ;;;1: Yes | but not documented/studied |
| ;;;2: Yes | documented and studied |
| Mitral valve insufficiency ;BC;;0: No |
| ;;;1: I/IV |
| ;;;2: II/IV |
| ;;;3: III/IV |
| ;;;4: IV/IV |
| Mitral flow pattern;BD;;0: Normal |
| ;;;1: Impaired |
| ;;;2: Pseudonormal |
| ;;;3: Restrictive |
| ;;;9: Others |
| ECG rhythm ;BJ;Dominant rhythm in 20 min high-resolution ECG;"0: Sinusal; " |
| ;;;"1: Permanent AF; " |
| ;;;"2: Atrial flutter; " |
| ;;;3: Pacemaker |
| Intraventricular conduction disorder;BS;;1: Right bundle branch block (RBBB) |
| ;;;2: Left bundle branch block (LBBB) |
| ;;;3: Hemibloqueo anterosuperior (HBA) |
| ;;;4: Hemibloqueo posteroinferior (HBP) |
| ;;;5: RBBB+HBA |
| ;;;6: RBBB+HBP |
| ;;;7: Others |
| Holter rhythm ;BV;Dominant rhythm in Holter ECG;"0: Sinusal; " |
| ;;;"1: Permanent AF; " |
| ;;;"2: Atrial flutter; " |
| ;;;3: Pacemaker |
| Ventricular Extrasystole;CC;;0: No |
| ;;;1: Monomorphic |
| ;;;2: Polymorphic |
| ;;;3: Couplets |
| Ventricular Tachycardia;CD;;0: No |
| ;;;1: Non-sustained VT |
| ;;;2: Sustained VT |
| ;;;3: Torsade de Points |
| Paroxysmal supraventricular tachyarrhythmia;CH;;0: No |
| ;;;1: TPSV |
| ;;;2: Parosysmal AF |
| ;;;3: Paroxismal flutter |
| ;;;4: others |
| ;;;9:NAxFA crónica |
| Bradycardia;CJ;;0: No |
| ;;;1: Sinus Node Dysfunction |
| ;;;2: First-degree Atrioventricular block (AVB) |
| ;;;3: Second-degree AVB - type I |
| ;;;4: Second-degree AVB - type II |
| ;;;5: Third-degree AVB |
| ;;;6: Paroxysmal AVB |