Acronym | Description | Training set | Testing set | ||
---|---|---|---|---|---|
N | % | N | % | ||
Gender | Sex (female) | 141 | 25.9 | 133 | 24.4 |
COPD | Chronic obstructive pulmonary disease | 51 | 9.4 | 46 | 8.4 |
PAH | Pulmonary artery hypertension | 10 | 1.8 | 17 | 3.1 |
Arrhy | Arrhythmia | 77 | 14.1 | 81 | 14.9 |
CHF | Congestive heart failure | 24 | 4.4 | 31 | 5.7 |
PVD | Peripheral vascular disease | 122 | 22.4 | 98 | 18.0 |
TIA | Transient ischemic attacks | 34 | 6.2 | 21 | 3.9 |
PVS | Previous vascular surgery | 49 | 9.0 | 42 | 7.7 |
LMSS | Left main stem stenosis | 343 | 62.9 | 332 | 60.9 |
Endoc | Endocarditis | 1 | 0.2 | 2 | 0.4 |
Pre-IABP | Intra aortic balloon pump | 14 | 2.6 | 13 | 2.4 |
AMI-1m | Acute myocardial infarction within a month | 124 | 22.8 | 114 | 20.9 |
Diab | Diabetes | 104 | 19.1 | 94 | 17.2 |
REDO-1 | One previous heart operation | 10 | 1.8 | 19 | 3.5 |
REDO-2 | Two previous heart operations | 2 | 0.4 | 0 | 0.0 |
LVEF-35% | Left ventricular ejection fraction < 35% | 52 | 9.5 | 47 | 8.6 |
EM | Emergency | 42 | 7.7 | 51 | 9.4 |