Table 2.

Characteristics of patients and healthy volunteers during exercise

	Healthy volunteers n = 18	Hypertensives n = 26	CAD patients n = 16
Double Product mmHgxHR/minx10-3	26.2 ± 4	28.3 ± 5.4	26.2 ± 4.4
Heart Rate (beats/min)	72.7 ± 14.4	82.2 ± 11.9 *	76.4 ± 9.9
Peak Heart Rate (beats/min)	163.3 ± 14.6	158 ± 17.2	148.3.4 ± 15.7*
Percentage of maximum HR	85%	85.7%	82.8%

* p < 0.05 compared to healthy volunteers in all other parameters no significant differences were found between the three groups

CAD: coronary artery disease