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Table 4 Comparison of baseline characteristics according to the changes of augmentation index after isometric handgrip exercise

From: Association of changes of pulse wave velocity and augmentation index after isometric handgrip exercise with coronary lesion extent and revascularization

 

All patients

(N = 37)

ΔAIx ≥3.3%

(N = 19)

ΔAIx < 3.3%

(N = 18)

P value

Age (years)

63.3 ± 9.4

61.7 ± 10.4

65.0 ± 8.1

0.288

Male

23 (62)

15 (79)

8 (44)

0.045

Height (cm)

160.8 ± 8.9

162.6 ± 8.4

158.9 ± 9.3

0.213

Weight (kg)

65.7 ± 12.4

69.2 ± 13.1

62.1 ± 10.8

0.081

Body mass index (kg/m2)

25.27 ± 3.30

25.98 ± 3.17

24.51 ± 3.36

0.180

Smoker

9 (24)

5 (26)

4 (22)

0.124

Hypertension

26 (70)

13 (68)

13 (72)

1.000

Diabetes mellitus

8 (22)

3 (16)

5 (28)

0.447

Hyperlipidemia

33 (89)

18 (95)

15 (83)

0.340

Chronic kidney disease

19 (51)

8 (42)

11 (61)

0.330

Prior myocardial infarction

11 (30)

5 (26)

6 (33)

0.728

Coronary artery disease

27 (73)

15 (79)

12 (67)

0.476

CAG findings

   

0.620

 1 vessel disease

13 (48)

6 (40)

7 (58)

0.313*

 2 vessel disease

9 (33)

6 (40)

3 (25)

 

 3 vessel disease

5 (19)

3 (20)

2 (17)

 

PCI

25 (68)

13 (68)

12 (67)

1.000

Medications

 Calcium channel blockers

16 (43)

10 (53)

6 (33)

0.325

 RAS inhibitors

18 (49)

9 (47)

9 (50)

1.000

 Beta-blockers

22 (60)

13 (68)

9 (50)

0.325

 Nitrate

8 (22)

4 (21)

4 (22)

1.000

 Statins

31 (84)

18 (95)

13 (72)

0.090

  1. Values are mean ± standard deviation or number (%)
  2. *1 vessel vs. 2- or 3-vessel disease
  3. AIx Augmentation index, CAG Coronary angiography, PCI Percutaneous coronary intervention, RAS Renin-angiotensin system