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Table 1 Patient demographics

From: Obesity and statins are both independent predictors of enhanced coronary arteriolar dilation in patients undergoing heart surgery

 

BMI ≥ 30

BMI < 30

P value

Number (n)

28

36

 

Body mass index - Kg/M 2 (mean ± SD)

33.4 ± 3.8

26.3 ± 3.1

< 0.001

Age - years (mean ± SD)

69.6 ± 6.8

65.5 ± 15.5

0.193

Male (%)

20 (71.4)

30 (83.3)

0.278

Coronary response

   

Passive diameter - μm (mean ± SEM)

111.3 ± 5.5

118.1 ± 5.0

0.369

Bradykinin response [E -8 M] -% dilation (mean ± SEM)

54.6 ± 4.7

45.9 ± 4.7

0.199

Underlying disease

   

Diabetes mellitus (%)

13 (46.4)

17 (47.2)

0.950

Hypertension (%)

25 (89.3)

31 (86.1)

0.672

Coronary artery disease (%)

13 (46.4)

18 (50.0)

0.886

Hypercholesterolemia (%)

22 (78.6)

26 (72.2)

0.691

Surgery

   

Coronary artery bypass graft (%)

25 (89.3)

25 (69.4)

0.049

Aortic valve replacement (%)

4 (14.3)

18 (50.0)

0.003

Mitral valve replacement (%)

1 (2.8)

0 (0.0)

0.374

Medications

   

ACE inhibitor (%)

8 (28.6)

20 (55.6)

0.040

Angiotensin receptor blocker (%)

13 (46.4)

10 (27.8)

0.144

Aspirin (%)

23 (82.1)

27 (75.0)

0.456

Statin (%)

15 (53.6)

26 (72.2)

0.087

Insulin (%)

6 (21.4)

7 (19.4)

0.889

Anti-diabetics (%)

6 (21.4)

7 (19.4)

0.889

Beta blocker (%)

25 (89.3)

21 (58.3)

0.009

Diuretic (%)

6 (21.4)

15 (41.7)

0.073

Calcium channel blocker (%)

13 (46.4)

16 (44.4)

0.955

H+ blocker (%)

11 (39.3)

6 (16.7)

0.049

Nitrate (%)

8 (28.6)

4 (11.1)

0.085

  1. All data, unless specified otherwise, represent number (n) and frequencies (%) of distribution in parentheses. P values for comparison between obese (BMI ≥ 30) and non-obese patients were calculated using Chi-squared test or t-test for categorical or continuous variables respectively.