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Table 1 Baseline characteristics of the 1,936 cardiac surgery patients included in the study

From: Dose dependent effect of statins on postoperative atrial fibrillation after cardiac surgery among patients treated with beta blockers

  

Statin Treatment

 
 

All patients

n = 1936

Yes

n = 1322

No

n = 614

p value

Clinical data

    

   Age [years]

66+10

65+10

67+10

0.01

   Male, %

99%

99%

99%

0.46

   BMI [kg/m2]

29.4+5.4

30+5.4

29+5.3

0.03

   Diabetes mellitus, %

34%

35%

30%

0.03

   Hypertension, %

60%

81%

73%

0.001

   Chronic lung disease, %

23%

22%

26%

0.06

   Peripheral vascular disease, %

30%

30%

30%

0.90

   Cerebrovascular disease, %

22%

22%

21%

0.49

   Current Smoking, %

68%

21%

17%

0.03

   History of myocardial infarction, %

42%

46%

33%

<0.0001

   History of heart surgery, %

9%

9%

9%

0.82

   LV ejection fraction <50%, %

41%

42%

47%

0.05

   NYHA heart failure class III/IV, %

35%

33%

39%

0.01

   History of atrial fibrillation, %

5.7%

6.3%

4.6%

0.13

   Chronic kidney disease, %

3.7%

11%

13%

0.53

   Cardiomegaly, %

27%

25%

31%

0.01

Preoperative medications

    

   BetaBlockers, %

53%

57%

46%

<0.0001

   ACE-I or ARB, %

72%

73%

69%

0.59

   Gemfibrozil, %

8%

8%

7%

0.59

   Calcium Chanel blocker, %

21%

23%

17%

0.01

   Amiodarone, %

16%

16%

17%

0.31

   Diuretics, %

41%

40%

43%

0.13

   Digoxin, %

8%

7%

12%

<0.0001

  1. Continuous variables are expressed as mean + SD or median with interquartile range
  2. Abbreviations: LV: left ventricular; NYHA:New York Heart Association; ACE-I: Angiotensin Converting Enzyme Inhibitor; ARB: Angiotensin Receptor Blocker;BMI: Body Mass Index