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Table1 Characteristics of the patients

From: Effect of Del Nido cardioplegia on ventricular arrhythmias after cardiovascular surgery

 

DNC group

(n = 324)

STH Group

(n = 630)

Statistic

P value

AGE (year)

60.44 ± 11.40

58.96 ± 13.26

1.791

0.074

Male (n, %)

168 (51.85%)

365 (57.94%)

3.064

0.080

APACHE II

12.36 ± 5.16

12.29 ± 7.63

− 0.164

0.870

euroSCORE

4.15 ± 1.26

4.00 ± 1.02

0.679

0.497

pre-EF (%)

59.73 ± 7.52

59.83 ± 9.89

− 0.164

0.870

pre-Cr (μmoI/L)

71.00 (59.00,87.25)

70.30 (59.00,87.00)

− 0.359#

0.720

Diabetes (n,%)

44 (13.60%)

120 (19.05%)

4.117

0.043*

Hypertensive (n,%)

151 (46.60%)

316 (50.16%)

0.944

0.331

Cerbral Infarction (n,%)

36 (11.11%)

57 (9.05%)

0.814

0.367

Chronic Renal Insufficiency (n,%)

33 (10.19%)

53 (8.41%)

0.618

0.365

pre-Atrial Fibrillation (n,%)

17 (5.25%)

30 (4.76%)

0.029

0.865

pre-Ventricular Arrhythmia (n,%)

9 (2.78%)

15 (2.35%)

0.023

0.879

OP time(hrs)

4.08 (3.50,4.67)

3.58 (3.00,4.33)

− 5.942#

< 0.001**

AB time(min)

80.00 (62.00,101.25)

61.00 (46.80,83.30)

− 8.607#

< 0.001**

CBP time(min)

116.00 (92.00,141.00)

89.00 (69.00,118.00)

− 8.713#

 < 0.001**

K+max (mmol/L)

4.92 ± 0.60

4.84 ± 0.54

2.136

0.033*

post-EF (%)

60.00 (51.30,62.00)

60.00 (54.75,62.00)

− 1.224#

0.221

post-Cr max(umol/L)

88.45 (73.18,119.00)

87.60 (70.70,122.50)

− 0.735#

0.463

TnT(ng/mL)

366.80 (224.65,678.70)

274.45 (135.50,511.08)

− 5.142#

 < 0.001**

CK-MB (U/L)

45.00 (31.00,64.00)

35.00 (24.00,55.00)

− 5.289#

 < 0.001**

CK (U/L)

581.50 (438.00,881.00)

563.00 (391.50,802.00)

2.196#

0.028*

TnI (ng/mL)

0.59 (0.17,1.98)

0.42 (0.17,1.34)

− 1.851#

0.064

NT-proBNP (pg/mL)

799.96 (290.94,2204.76)

676.35 (242.45,1916.71)

− 1.733#

0.083

Lac(mmol/L)

2.70 (1.80,3.90)

2.50 (1.80,3.60)

− 1.572#

0.116

post-Atrial Fibrillation (n,%)

56 (17.39%)

100 (15.94%)

0.311

0.577

post-Ventricular Arrhythmia (n,%)

40 (12.42%)

109 (17.40%)

4.224

0.040*

Length of ICU stay(day)

1.97 ± 1.49

2.26 ± 1.46

− 2.864

0.004**

  1. Definitions: APACHE II = Acute Physiology and Chronic Health Evaluation II, euroSCORE = European system for cardiac operative risk evaluation, pre-EF = Perioperative ejection fraction, pre-Cr = Perioperative creatinine. . indicates that the comparison of variables between groups uses the t test, and the statistic provides a t value; . indicates that the comparison of variables between groups uses the chi-square test, the statistic provides an \(\chi\) 2 value; #. indicates that the comparison of variables between groups uses the sum test, and the statistic provides a Z value