Table 1

Propensity-matched patient and disease characteristics


SM (n = 89)
Control (n = 89)
P Value

Age (years)
65.9 (59.2 – 70.1)
66.4 (59.2 – 71.9)
0.58
Female (%)
28.1
25.8
0.74
Body mass index (kg/m2)
27.1 (24.9 – 30.7)
27.1 (24.7 – 30.2)
0.81
Ejection fraction <30%
5.6
4.5
0.73
Triple-vessel disease (%)
75.3
74.2
0.86
Left main stem disease (%)
23.6
24.7
0.86
Angina class IV (%)
19.1
14.6
0.42
Diabetes (%)
23.6
29.2
0.39
Respiratory disease (%)
37.1
33.7
0.64
Renal dysfunction (%)
6.7
5.6
0.76
Peripheral vascular disease (%)
9.0
7.9
0.79
Current smoker (%)
20.2
20.2
>0.99
Previous myocardial infarction (%)
46.1
51.7
0.45
Hypercholesterolaemia (%)
95.5
95.5
>0.99
Hypertension (%)
57.3
55.1
0.76
Emergent procedure (%)
1.1
1.1
>0.99
Preoperative β-blockers (%)
66.3
64.0
0.75
Preoperative diuretics (%)
33.7
36.0
075
Preoperative heart rate (bpm)
69.1 (61.8 – 81.9)
70.3 (60.6 – 83.2)
0.57
Additive EuroSCORE
4 (2 – 5)
3 (2 – 5)
0.63
Number of grafts (n/patient)
3 (2 – 4)
3 (3 – 4)
0.61
Right-CAD (%)
76.4
71.9
0.49
LIMA (%)
95.5
96.6
0.69
CPB not used (%)
77.5
69.7
0.23

SM, Sotalol and Magnesium; CPB, Cardiopulmonary Bypass; EuroSCORE, European System for Cardiac Operative Risk Evaluation; CAD, Coronary Artery Disease; LIMA, Left Internal Mammary Artery. Categorical variables are shown as a percentage. Continuous variables are shown as a median with 25th and 75th percentiles.

Aerra et al. Journal of Cardiothoracic Surgery 2006 1:6   doi:10.1186/1749-8090-1-6