Table 2.
Use of non-invasive cardiac imaging and procedures after index myocardial perfusion imaging or stress echocardiography study
| MPI | STRESS ECHOCARDIOGRAPHY | |||||
|---|---|---|---|---|---|---|
| Hospital Outpatient | Physician Office | p-value | Hospital Outpatient | Physician Office | p-value | |
| Non-invasive cardiac imaging or cardiac catheterization within 6m (excludes post-procedure imaging) | ||||||
| Any | 14.1% | 14.2% | 0.80 | 8.6% | 7.9% | 0.21 |
| Non-invasive cardiac imaging within 6m (excludes post-procedure imaging) | ||||||
| Stress echocardiography | 0.8% | 0.4% | <0.001 | 0.7% | 1.0% | 0.07 |
| MPI | 2.0% | 3.5% | <0.001 | 2.1% | 3.4% | <0.001 |
| Any | 2.8% | 3.9% | <0.001 | 2.7% | 4.4% | <0.001 |
| Procedures within 6m | ||||||
| CATH | 12.3% | 11.5% | 0.01 | 7.0% | 4.5% | <0.001 |
| CATH w/o revascularization | 8.3% | 7.5% | 0.01 | 4.6% | 2.7% | <0.001 |
| PCI | 2.9% | 2.9% | 0.99 | 1.5% | 1.3% | 0.29 |
| CABG | 1.2% | 1.1% | 0.49 | 0.9% | 0.6% | 0.07 |
| PCI or CABG | 4.1% | 4.0% | 0.65 | 2.4% | 1.8% | 0.04 |
Abbreviations: CABG, coronary artery bypass grafting; CATH, cardiac catheterization; MPI, myocardial perfusion imaging; PCI, percutaneous coronary intervention