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Table 2 Baseline and Characteristics

From: A comparison of heparinised and non-heparinised normal saline solutions for maintaining the patency of arterial pressure measurement cannulae after heart surgery

Variable

NS group (n = 148)

Heparin group (n = 148)

P value

Age (year)

60.3 ± 10.0

59.5 ± 12.6

0.5

Gender (male)

104, 70.3%

115, 77.7%

0.1

Weight (kg)

65.9 ± 14.5

66.8 ± 12.6

0.6

NYHA class

  

0.6

 I (n,%)

0

0

 

 II (n,%)

19, 12.8%

22, 14.9%

 

 III (n,%)

43, 29.0%

44, 29.0%

 

 IV (n,%)

87, 58.2%

83, 56.1%

 

EuroSCORE

3.5 ± 2.7

3.3 ± 3.0

0.5

Previous Medical History

 Acute Myocardial infarction (n,%)

86, 58.1%

82, 55.4%

0.6

 Arrhythmia (n,%)

62, 41.9%

72, 48.6%

0.2

 Diabetes Mellitus (n,%)

64, 43.2%

54, 36.5%

0.2

 Chronic Renal Failure (n,%)

40, 27.0%

45, 30.4%

0.5

 Hypertension (n,%)

107, 72.3%

106, 71.6%

0.9

 Liver Disease (n,%)

7, 4.7%

4, 2.7%

0.4

 Smoking

82, 55.4%

73, 49.3%

0.297

 Alcohol drinking (n,%)

90, 60.8%

85, 57.4%

0.556

Preoperative LVEF (%)

46.0 ± 4.1

46.0 ± 5.9

0.9

Preoperative LVDd (mm)

58.4 ± 9.6

58.9 ± 10.8

0.7

CPB time (minutes)

151.2 ± 65.8

148.4 ± 69.6

0.7

ACC time (minutes)

119.5 ± 54.0

115.7 ± 56.5

0.6

Surgical Procedures

  

0.5

 On-Pump CABG (n,%)

24, 16.2%

20, 13.5%

 

 Off-Pump CABG (n,%)

39, 26.3%

30, 20.2%

 

 Valves (n,%)

53, 35.2%

72, 48.1%

 

 CABG+ Valves (n,%)

33, 22.3%

27, 18.2%

 
  1. NYHA: New York Heart Association, CPB: Cardiopulmonary Bypass, Median (Interquartile Range), CABG: Coronary Artery Bypass Grafting, ACC: Aortic Cross Clamp, LVDd: Left Ventricular End-Diastolic diameter, LVEF: Left Ventricular Ejection Fraction, Mean ± SD, NS: Normal Saline