TABLE 2.
Exercise stress testing data for male and female patients, and patients with normal and abnormal studies during exercise stress echocardiography
| Patients | Exercise duration, s | Metabolic work, METs | Target heart rate, beats/min | Heart rate achieved, beats/min | Rest SBP, mmHg | Rate pressure product, ×103 | Peak SBP, mmHg |
|---|---|---|---|---|---|---|---|
| Male (n=206) | 436.1±155.0 | 8.8±2.6 | 137.0±10.2 | 140.3±16.1 | 134.2±17.6 | 24.9±4.9 | 176.7±24.6 |
| Female (n=601) | 354.9±145.3** | 7.5±2.3** | 138.2±10.1* | 146.5±16.5** | 128.5±17.6** | 24.4±4.0 | 166.5±20.0** |
| Normal (n=667) | 386.1±151.3 | 8.0±2.5 | 138.8±10.1 | 148.9±13.2 | 129.2±17.0 | 25.3±3.7 | 170.2±20.9 |
| Abnormal (n=140) | 326.2±140.0** | 7.0±2.2** | 133.7±9.3** | 125.6±17.5** | 133.7±20.5** | 20.1±4.8** | 163.8±24.5* |
*
P<0.05;
**
P<0.0001 using unpaired t test for male versus female, and normal versus abnormal individuals. MET Metabolic equivalents of task; SBP Systolic blood pressure