Table 1.
Patient characteristics in over-all population and according to frailty status
| Over-all population | Frailty status |
|||
|---|---|---|---|---|
| (n=746) | Non-frail (n=665) | Frail (n=81) | P value | |
| Age (years) | 62.2±12.0 | 61.1±11.5 | 71.2±12.2 | <0.001 |
| Female (%) | 29.9 | 27.2 | 51.9 | <0.001 |
| Height (m) | 1.7±0.1 | 1.7±0.1 | 1.7±0.1 | 0.222 |
| Weight (kg) | 81.7±16.2 | 82.3±15.5 | 76.7±20.1 | 0.006 |
| Risk factor and comorbidities | ||||
| NY risk of mortality | 2.2±6.7 | 1.6±4.2 | 7.4±15.6 | <0.001 |
| Hypertension (%) | 39.5 | 37 | 60 | <0.001 |
| Diabetes mellitus, % | 14.6 | 13.1 | 26.6 | 0.002 |
| Dyslipidaemia, % | 41 | 41.9 | 48.8 | 0.09 |
| Peripheral vascular disease, % | 7.4 | 6.6 | 13.6 | 0.015 |
| Previous TIA/stroke, % | 2.6 | 2% | 7.5 | 0.003 |
| Chronic renal failure, % | 1.3 | 0.9 | 4.9 | 0.006 |
| Chronic heart failure, % | 2.1 | 1.7 | 6.2 | 0.011 |
| Clinical and laboratory data | ||||
| STEMI, % | 39.6 | 39.3 | 41.8 | 0.263 |
| Emergency PCI, % | 44.2 | 43.7 | 48.75 | 0.335 |
| Haemodynamic instability, % | 11 | 9.8 | 21 | 0.002 |
| Cardiogenic shock, % | 0.5 | 0.4 | 1.6 | 0.188 |
| Severe LV impairment, % | 3.2 | 2.6 | 8.6 | 0.003 |
| 3 vessels disease, % | 11.5 | 10.4 | 21 | 0.005 |
| LMS disease, % | 5.5 | 4.7 | 12.3 | 0.003 |
LMS, left main stem; LV, left ventricle; PCI, percutaneous coronary intervention; NY, New York; STEMI, ST segment elevation myocardial infarction; TIA, transient ischaemic attack.