Table 2.
Use of Noninvasive and Invasive Procedures in Patients Hospitalized with Acute Myocardial Infarction Between 1990 and 1999 According to Gender and Age: Worcester Heart Attack Study
| Total Sample | Women | Men | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Procedure | Women (N = 2,037) | Men (N = 2,645) | P Value | <55 Y (n = 139) | 55–64 Y (n = 218) | 65–74 Y (n = 521) | ≥75 Y (n = 1,159) | P Value | <55 Y (n = 544) | 55–64 Y (n = 564) | 65–74 Y (n = 707) | ≥75 Y (n = 830) | P Value |
| Diagnostic, % | |||||||||||||
| Echocardiography | 58.1 | 56.5 | .27 | 57.6 | 59.6 | 60.8 | 56.7 | .44 | 49.8 | 55.9 | 57.4 | 60.6 | <.001 |
| Exercise treadmill test | 15.2 | 28.2 | <.001 | 35.3 | 32.7 | 19.0 | 7.7 | <.001 | 42.1 | 36.7 | 28.1 | 13.4 | <.001 |
| Cardiac catheterization | 23.6 | 38.5 | <.001 | 59.0 | 42.2 | 34.4 | 11.0 | <.001 | 58.1 | 50.8 | 35.6 | 19.7 | <.001 |
| Revascularization, % | |||||||||||||
| PCI | 10.9 | 16.4 | <.001 | 28.1 | 19.3 | 16.5 | 4.8 | <.001 | 29.6 | 21.0 | 14.0 | 6.7 | <.001 |
| CABG | 3.5 | 6.7 | <.001 | 2.9 | 8.3 | 5.0 | 1.9 | <.001 | 5.7 | 7.8 | 6.5 | 3.4 | <.01 |
PCI, percutaneous coronary interventions; CABG, coronary artery bypass grafting.