Table 3.
Baseline characteristics by smoking status at one year after angiography (Cohort A )
| Clinical characteristics | Smoker at one year | Quitter at one year | p-value |
|---|---|---|---|
| No. (%) | 1064 (41.2) | 1519 (58.8) | |
| BMI, Mean (SD) | 28.6 (5.6) | 28.8 (5.2) | 0.4 |
| Age, Mean (SD) | 58.4 (9.6) | 58.9 (9.9) | 0.3 |
| Female (%) | 27.3 | 19.0 | <0.001 |
| Diabetes Mellitus (%) | 19.0 | 20.1 | 0.5 |
| Hyperlipidemia (%) | 79.7 | 78.9 | 0.6 |
| Pulmonary disease (%) | 15.3 | 13.1 | 0.1 |
| Heart Failure (%) | 8.4 | 9.6 | 0.3 |
| Hypertension (%) | 63.1 | 62.3 | 0.7 |
| CVD (%) | 4.4 | 3.9 | 0.6 |
| PVD (%) | 8.9 | 6.1 | 0.007 |
| ST-Elevated MI (%) | 34.7 | 40.6 | 0.002 |
| Non ST-Elevated MI (%) | 27.3 | 30.7 | 0.07 |
| Prior MI (%) | 26.2 | 23.9 | 0.2 |
| Prior PCI (%) | 3.8 | 3.0 | 0.3 |
| Prior CABG (%) | 1.3 | 1.4 | 0.9 |
| Prior lytic (%) | 8.6 | 12.0 | 0.006 |
| ACS (%) | 70.2 | 76.4 | 0.001 |
| Indication for angiography (%) | <0.001 | ||
| Acute/recent MI | 55.0 | 63.5 | |
| Unstable angina | 16.1 | 14.5 | |
| Stable angina | 24.9 | 17.8 | |
| Other* | 4.0 | 4.2 | |
| Priority to angiography (%) | 0.01 | ||
| Emergency | 13.8 | 17.7 | |
| Urgent in hospital | 58.2 | 59.5 | |
| Urgent out of hospital | 10.1 | 8.6 | |
| Planned | 16.5 | 13.0 | |
| Unknown | 1.4 | 1.2 | |
| Ejection fraction (%) | 0.09 | ||
| >50% | 59.8 | 56.0 | |
| 35-50% | 22.3 | 21.9 | |
| 20-34% | 4.1 | 4.8 | |
| <20% | 0.9 | 1.4 | |
| Not done | 14.9 | 16.0 | |
| Coronary Anatomy (%) | <0.001 | ||
| Normal | 0.0 | 0.1 | |
| <50% disease | 0.0 | 0.2 | |
| Low risk (1–2 VD) | 69.9 | 55.2 | |
| High Risk (2–3 VD) | 25.1 | 35.0 | |
| Left Main disease | 4.9 | 9.5 |
SD: Standard deviation, BMI: body mass index, CVD: Cerebrovascular disease, PVD: Peripheral vascular disease, MI: myocardial infarction, PCI: Percutaneous Coronary Intervention, CABG: Coronary Artery Bypass Grafting, ACS: Acute coronary syndrome, VD: vessel disease. *Other include silence ischemia, evaluation of serious arrhythmia, preoperative assessment, research protocol angiography.