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Table 1 Demographic characteristics, risk factors, medication, and ECG, Echo and Angiographic data according to Groups.

From: The effects of beta-blockers on dobutamine-atropine stress echocardiography: early protocol versus standard protocol

VARIABLES GROUP A (n = 41) GROUP B (n = 35) GROUP C (n = 45) p value
Age 60,8 +/- 11 59,6 +/- 12 54 +/- 12 0,038
Gender (male %) 51,2 54,2 65 0,47
Reasons for test:     
   -Investigation for CAD (%) 46 66 55 0,23
   -Evaluation of known CAD (%) 54 34 45 0,23
Hypertension (%) 61 62 45 0,61
Diabetes (%) 20 20 21 0,98
Hyperlipemia (%) 46 62 35 0,10
Family history for CAD (%) 49 60 46 0,49
Smoking (%) 29 31 24 0,80
Obesity (%) 36 28 45 0,40
Use of Beta-blocker (%) 49 54 45 0,74
Use of Calcium blocker (%) 12 20 10 0,48
Altered baseline ECG (%) 38 39 41 0,97
Altered baseline Echo (%) 41 37 42 0,87
Normal LV function (%) 66 86 65 0,097
Previous angiography (%) 46 40 36 0,68
Previous PTCA (%) 19 12 10 0,60
Previous CABG (%) 17 17 10 0,69
  1. CAD = coronary artery disease, ECG = electrocardiogram,
  2. Echo = echocardiogram, LV = left ventricle, PTCA = percutaneous transluminal coronary angioplasty,
  3. CABG = coronary artery bypass graft.