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Table 1 Baseline characteristics of the study patients

From: The effect of cardiac shock wave therapy on myocardial function and perfusion in the randomized, triple-blind, sham-procedure controlled study

Variable

OMT + CSWT group (n = 30)

OMT + sham procedure group (n = 29)

P value

Demographic characteristics

 Age, years

67.2 ± 7.8

69.4 ± 7.8

0.274

 Male sex, n (%)

19 (63.3)

26 (89.7)

0.018

Cardiovascular risk factors

 Hyperlipidaemia, n (%)

30 (100)

29 (100)

 Hypertension, n (%)

29 (96.7)

29 (100)

 Diabetes, n (%)

8 (26.7)

8 (27.6)

0.937

 Peripheral vascular disease, n (%)

10 (33.3)

12 (41.4)

0.523

 Current smoker, n (%)

1 (3.3)

4 (13.8)

0.195

 Positive family history for CVD, n (%)

10 (33.3)

19 (5.5)

0.013

Medical history

 Previous myocardial infarction, n (%)

15 (50.0)

23 (79.3)

0.019

 Previous percutaneous intervention, n (%)

16 (53.3)

15 (51.7)

0.902

 Previous CABG, n (%)

20 (66.7)

18 (62.1)

0.712

 No revascularization, n (%)

7 (23.3)

7 (24.1)

0.936

 Three-vessel disease, n (%)

24 (80.0)

22 (75.9)

0.161

 Two-vessel disease, n (%)

5 (16.7)

2 (6.9)

Clinical parameters

 Body mass index, kg/m2

30.0 ± 4.3

30.3 ± 3.8

0.755

 Angina episodes/week, median (25%;75%)

5.5 (3.3; 14.8)

7 (3.8; 15)

0.500

 Nitroglycerine consumption (times/week), median (25%;75%)

2 (1; 2)

2 (0; 5)

0.250

 Left ventricular ejection fraction (echocardiographic), %

54.4 ± 9.5

56.0 ± 7.2

0.366

 Systolic blood pressure, mmHg

124.7 ± 20.9

128.1 ± 22.1

0.845

Diastolic blood pressure, mmHg

81.1 ± 11.3

77.0 ± 11.2

0.341

Angina CCS class

 II, n (%)

8 (26.7)

9 (31.0)

0.711

 III, n (%)

22 (73.3)

20 (69.0)

Medical treatment

 ACE inhibitors / ARB, n (%)

30 (100)

29 (100)

 Beta-blocker, n (%)

28 (93.1)

27 (93.1)

1

 Long acting nitrates, n (%)

19 (63.3)

15 (51.7)

0.367

 Calcium channel blocker, n (%)

16 (51.3)

15 (51.7)

0.902

 Trimetazidine, n (%)

20 (66.7)

15 (51.7)

0.243

 Statins, n (%)

30 (100)

29 (100)

 Mean dose of atorvastatin, mg

36.2 ± 11.8a

40.3 ± 17.0

0.286

 Antiplatelets, n (%)

30 (100)

29 (100)

 Dual-antiplatelet therapy, n (%)

4 (13.3)

11 (37.9)

0.031

 Oral anti-diabetics, n (%)

4 (13.3)

7 (24.1)

0.287

ECG Exercise test

 Exercise duration, sec

350.1 ± 133.1

370.4 ± 131.0

0.558

  1. CABG Coronary artery bypass grafting, CCS Canadian Cardiovascular Society, CSWT Cardiac shock wave therapy, CVD cardiovascular disease, OMT optimal medical therapy, SAQ Seattle Angina Questionnaire
  2. aone patient in this group was on fluvastatin 80 mg, not included in mean dose calculations