Table 2 Clinical characteristics of children with ICU stay time equal or less than 3 days and children with ICU stay time greater than 3 days undergoing CHD correction

Patient number

181(55.02)

148(44.98)

 Before surgery

1214.07±2935.61

4615.68±6500.49

<0.001

 1h after surgery

1045.29±1743.52

4421.76±5686.58

<0.001

 12h after surgery

4714.70±5379.54

9343.61±6320.02

<0.001

 36h after surgery

3076.17±2474.08

6746.39±5158.98

<0.001

 Female

68(37.57)

49(33.11)

0.42

 Male

113(62.43)

99(66.89)

 I/II

165(91.16)

86(58.11)

<0.001

 III/IV

16(8.84)

62(41.89)

Age, d

573.62±900.76

225.31±450.45

<0.001

Weight, kg

8.56±6.38

5.20±2.94

<0.001

Cardiopulmonary bypass time, min

66.40±25.82

107.46±53.41

<0.001

Aortic crossclamp time, min

34.57±16.46

54.78±31.25

<0.001