Procedural characteristics of the patients in both the model development (2004–2007) and validation (2008–2009) cohort
| Procedural characteristic | Model development cohort 2005–2007 (N=52 462) | Validation cohort 2008–2009 (N=42 310) |
|---|---|---|
| Multivessel intervention (%) | 29 | 27 |
| Balloon (%) | 73 | 78 |
| Rotational coronary atherectomy (%) | 1 | 1 |
| Stent (bare metal) (%) | 22 | 28 |
| Angiojet rheolytic thrombectomy catheter (%) | 2 | 1 |
| Unable to cross with device (%) | 2 | 2 |
| Intracoronary laser (%) | <1 | <1 |
| Cutting balloon (%) | 5 | 6 |
| Intravascular ultrasound (%) | 5 | 8 |
| Distal protection device (%) | 2 | 3 |
| Not crossed with wire (%) | 2 | 2 |
| Drug eluting stent—sirolimus eluting (%) | 38 | 13 |
| Drug eluting stent—paclitaxel eluting (%) | 20 | 10 |
| Drug eluting stent—zatrolimus eluting (%) | <1 | 11 |
| Drug eluting stent—everolimus eluting (%) | <1 | 32 |
| Thrombectomy catheter (%) | 1 | 5 |