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Table 2 Patient characteristics (Mag + BB group/BB group) of randomized controlled studies

From: Meta-analysis of randomized controlled trials on magnesium in addition to beta-blocker for prevention of postoperative atrial arrhythmias after coronary artery bypass grafting

Study

Number of patients

Mean age (years)

Men (%)

Mean LVEF (%)

Hypertens-ion (%)

Diabetes (%)

Preop BB (%)

Preop digoxin(%)

Preop CCB (%)

Bert et al. [19]

69/71

62.3/63.8

82.6/76.1

48/49

NA

NA

75.4/76.1

21.2/21.2

17.2/18.5

Cook et al. [22]

347/347

64/64

85.6/83.6

NA

66.9/68

35.7/30.8

88.2/89

1.7/0.9

27.7/24.5

Forlani et al. [20]

52/51

62/64

91/82

55.3/54.7

63/72

25/38

36/45

7/3

14/16

Geertman et al. [21]

74/73

63.8/61.7

78.4/79.5

NA

32/30

13.5/8.2

90.5/86.3

NA

NA

Solomon et al. [23]

85/82

62/61

80/73

53/54

NA

NA

72/78

3.5/7.3

39/37

  1. Mag: magnesium; BB: beta-blocker; CCB: calcium channel blocker; NA: data not available; LVEF: left ventricular ejection fraction; Preop: preoperative.