Table 3 Comparison of the clinical and electrocardiographic findings during Exercise Echocardiography in patients: Group 1 (G1) and Group 2 (G2).
From: Chronotropic incompetence and a higher frequency of myocardial ischemia in exercise echocardiography
VARIABLES | G1 n = 490 (12%) | G2 n = 3552(88%) | P |
|---|---|---|---|
Angina | 81 (16%) | 150 (4%) | < 0.0001 |
Blood pressure ≥ 220 × 120 mmhg | 72 (15%) | 508 (14%) | 0.822 |
Simple Arrhythmia | 97 (20%) | 822 (23%) | 0.098 |
Severe Arrhythmia | 20 (4%) | 64 (2%) | 0.001 |
ST segment changes | 144 (30%) | 1517 (43%) | < 0.0001 |