Table II.
1-year event rates (%) by test type (a) and patient demographics (b)
| a. | |||||
|---|---|---|---|---|---|
| All (N=80,676) | Nuclear Stress MPI (N=43,700) | Stress ECHO (N=16,879) | ETT (N=20,097) | P- value | |
| Procedures | |||||
| Catheterization | 10.5 | 13.81 | 6.4 | 6.90 | <.001 | 
| Revascularization | 3.3 | 4.1 | 2.3 | 2.3 | <.001 | 
| PCI | 2.5 | 3.1 | 1.6 | 1.8 | <.001 | 
| CABG | 0.9 | 1.21 | 0.7 | 0.6 | <.001 | 
| Clinical Events | |||||
| Death/MI/Stroke | 0.5 | 0.6 | 0.4 | 0.4 | .004 | 
| Death | 0.2 | 0.2 | 0.1 | 0.1 | <.001 | 
| MI | 0.2 | 0.3 | 0.2 | 0.2 | .32 | 
| Stroke | 0.1 | 0.1 | 0.1 | 0.1 | .43 | 
| b. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| All (N=80,676) | Men (N=38,085) | Women (N=42,591) | |||||||
| Men N=38,085 | Women N=42,591 | P- value | 40–54y N=25,380 | 55–64y N=12,705 | P- value | 40–54y N=26,380 | 55–64y N=16,211 | P-value | |
| Procedures | |||||||||
| Catheterization | 12.9 | 8.5 | <.001 | 10.1 | 18.5 | <.001 | 7.0 | 10.8 | <.001 | 
| Revascularization | 5.5 | 1.3 | <.001 | 3.4 | 9.5 | <.001 | 0.8 | 2.2 | <.001 | 
| PCI | 4.0 | 1.0 | <.001 | 2.7 | 6.7 | <.001 | 0.6 | 1.7 | <.001 | 
| CABG | 1.6 | 0.3 | <.001 | 0.9 | 3.0 | <.001 | 0.2 | 0.6 | <.001 | 
| Clinical Events | |||||||||
| Death/MI/Stroke | 0.7 | 0.3 | <.001 | 0.5 | 1.0 | <.001 | 0.2 | 0.4 | .011 | 
| Death | 0.2 | 0.1 | .002 | 0.1 | 0.4 | <.001 | 0.1 | 0.2 | .004 | 
| MI | 0.4 | 0.1 | <.001 | 0.3 | 0.7 | <.001 | 0.1 | 0.1 | .18 | 
| Stroke | 0.1 | 0.1 | .25 | 0.1 | 0.1 | .39 | 0.1 | 0.1 | .64 | 
CABG = coronary artery bypass grafting; ECHO = echocardiography; ETT = exercise treadmill testing; MI = myocardial infarction; MPI = myocardial perfusion imaging; PCI = percutaneous coronary intervention.