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Table 1 Perioperative baseline and characteristics

From: Amiodarone use and prolonged mechanical ventilation after cardiac surgery: a single-center analysis

Variable

Early Extubation=

(n=1071)

Delayed Extubation

(n=905)

P

Preoperative variable

 Age (year)

58.00 [50.00, 67.00]

61.00 [52.00, 69.00]

<0.001

 Gender (male)

611 (57.0)

564 (62.3)

0.020

 BMI (kg/m)2

23.80 [22.00, 26.30]

24.20 [21.90, 26.60]

0.256

 Smoke

124 (11.6)

106 (11.7)

0.982

 Drink

80 (7.5)

95 (10.5)

0.023

 Hypertension

434 (40.5)

494 (54.6)

<0.001

 Diabetes

136 (12.7)

109 (12.0)

0.711

 Stroke

51 (4.8)

70 (7.7)

0.008

 COPD

5 (0.5)

4 (0.4)

1

 CAD

238 (22.2)

186 (20.6)

0.398

 MI

20 (1.9)

29(3.2)

0.079

 CKD

14 (1.3)

28(3.1)

0.010

 History of cardiac surgery

43 (4.0)

59(6.5)

0.016

 PCI

19 (1.8)

22(2.4)

0.389

 LVEF (%)

55.00 [53.00, 58.00]

55.00 [48.00, 58.00]

<0.001

Operative variable

 Emergency

42 (3.9)

151(16.7)

<0.001

 Surgery type

  

<0.001

 Isolated CABG

167 (15.6)

131 (14.5)

 

 AVR or MVR

476 (44.4)

277 (30.6)

 

 AVR+MVR

122 (11.4)

112 (12.4)

 

 Valvular surgery + CABG

46 (4.3)

74 (8.2)

 

 Thoracic aortic surgery

165 (15.4)

271 (29.9)

 

 Others

95 (8.9)

40 (4.4)

 

 CPB (min)

114.00 [77.00, 148.00]

149.00 [106.00, 192.00]

<0.001

 ACC (min)

78.00 [44.00, 108.00]

104.00 [69.00, 140.00]

<0.001

 DHCA (min)

0.00 [0.00, 0.00]

0.00 [0.00, 14.00]

<0.001

 RBC (unit)

0.00 [0.00, 3.00]

3.00 [0.00, 6.00]

<0.001

 Plasma (ml)

0.00 [0.00, 500.00]

450.00 [0.00, 750.00]

<0.001

 Platelet (unit)

0.00 [0.00, 0.00]

0.00 [0.00, 1.00]

<0.001

  1. COPD:Chronic obstructive pulmonary disease, CAD Coronary Artery Disease, MI Myocardial infarction, CKD Chronic kidney disease, PCI Percutaneous coronary intervention, LVEF Left ventricular ejection fraction, CABG Coronary artery bypass grafting, AVR Aortic valve replacement, MVR Mitral valve replacement, CPB Cardiopulmonary bypass, ACC Aortic cross clamp, DHCA Deep hypothermic circulatory arrest, RBC Red blood cell