Logistic regression model variables for death at 1 year in patients treated with CRT-D
| OR (95% CI) | P value | Points | |
| Age (quartile) | 1.361 (1.261 to 1.470) | <0.0001 | 1, 2 or 3* |
| Sex (male) | 1.317 (1.063 to 1.632) | 0.01 | |
| Hypertension | 0.895 (0.749 to 1.069) | 0.22 | |
| Diabetes mellitus | 1.350 (1.146 to 1.589) | <0.0001 | 2 |
| History of hospitalisation with cardiac congestion | 1.696 (1.298 to 2.218) | <0.0001 | 2 |
| History of pulmonary oedema | 1.630 (1.294 to 2.053) | <0.0001 | 2 |
| Dilated cardiomyopathy | 0.962 (0.812 to 1.140) | 0.66 | |
| Coronary artery disease | 1.269 (1.036 to 1.555) | 0.02 | |
| Previous myocardial infarction | 0.848 (0.659 to 1.092) | 0.20 | |
| Previous PCI | 0.989 (0.822 to 1.190) | 0.90 | |
| Previous CABG | 1.108 (0.900 to 1.363) | 0.33 | |
| Aortic stenosis | 1.502 (1.153 to 1.957) | 0.003 | 2 |
| Aortic regurgitation | 0.914 (0.660 to 1.265) | 0.59 | |
| Mitral regurgitation | 1.380 (1.150 to 1.655) | 0.001 | 2 |
| Atrial fibrillation | 1.694 (1.448 to 1.981) | <0.0001 | 2 |
| Left BBB | 0.767 (0.653 to 0.900) | 0.001 | –1 |
| Right BBB | 0.991 (0.718 to 1.366) | 0.95 | |
| Vascular disease | 1.215 (1.010 to 1.462) | 0.04 | |
| Ischaemic stroke | 1.089 (0.755 to 1.570) | 0.65 | |
| Intracranial bleeding | 1.548 (0.819 to 2.927) | 0.18 | |
| Smoker | 1.127 (0.919 to 1.382) | 0.25 | |
| Dyslipidaemia | 0.808 (0.681 to 0.960) | 0.02 | |
| Obesity | 0.957 (0.789 to 1.162) | 0.66 | |
| Alcohol-related diagnoses | 1.251 (0.955 to 1.638) | 0.10 | |
| Undernutrition | 1.699 (1.298 to 2.224) | <0.0001 | 2 |
| Chronic kidney disease | 1.540 (1.258 to 1.886) | <0.0001 | 2 |
| Lung disease | 1.166 (0.970 to 1.401) | 0.10 | |
| Sleep apnoea syndrome | 0.740 (0.572 to 0.959) | 0.02 | |
| Liver disease | 1.562 (1.177 to 2.073) | 0.002 | 2 |
| Thyroid diseases | 1.297 (1.037 to 1.622) | 0.02 | |
| Inflammatory disease | 1.280 (0.990 to 1.655) | 0.06 | |
| Anaemia | 1.357 (1.099 to 1.676) | 0.005 | 2 |
| Previous cancer | 1.070 (0.848 to 1.349) | 0.57 | |
| Cognitive impairment | 1.447 (0.853 to 2.453) | 0.17 |
*Age quartile: 1 point if age >61 years; 2 points if age >69 years; 3 points if age >75 years.
BBB, bundle branch block; CABG, coronary artery bypass graft; CRT-D, cardiac resynchronizsation therapy defibrillator; PCI, percutaneous coronary intervention.