Table 1 Demographic characteristics and operative data

Age (day)

202 (139–311)

178 (122–258)

182 (121–260)

156 (105–237)

Male gender

118 (51.8%)

95 (51.4%)

82 (51.2%)

44 (57.1%)

RACHS category ≥ 3

39 (17.1%)

32 (17.3%)

29 (18.1%)

13 (16.9%)

2003Weight (kg)

7.06 ± 1.60

6.81 ± 1.68

6.77 ± 1.70

6.47 ± 1.76

Body length (cm)

67.73 ± 7.23

65.95 ± 7.58

65.86 ± 7.72

64.13 ± 7.67

Premature delivery

27 (11.8%)

21 (11.4%)

21 (13.1%)

12 (15.6%)

Birth weight (kg)

3.14 ± 0.59

3.14 ± 0.64

3.11 ± 0.65

3.10 ± 0.69

PAH

103 (45.2%)

82 (44.3%)

72 (45.0%)

41 (53.2%)

LVEF (%)

70 (67–73)

70 (65–73)

69 (65–73)

70 (65–73)

LVEDD (mm)

26.72 ± 7.12

27.02 ± 6.17

26.81 ± 6.29

25.88 ± 6.88

WBC (10⁹/L)

9.42 ± 2.90

8.80 ± 2.46

8.79 ± 2.53

8.78 ± 2.46

Hemoglobin (g/L)

117.59 ± 20.02

112.90 ± 15.56

112.97 ± 16.13

113.66 ± 19.12

Albumin (g/L)

42.02 ± 3.30

41.90 ± 3.15

41.98 ± 3.26

41.69 ± 3.59

AST (IU/L)

23 (18–34)

23 (17–38)

23 (17–37)

24 (17–37)

ALT (IU/L)

51 (43–61)

49 (39–62)

48 (38–61)

47 (38–59)

TBIL (umol/L)

5.85 (3.96–8.65)

6.50 (4.49–9.30)

6.81 (4.34–9.82)

6.75 (4.76–12.05)

DBIL (umol/L)

1.43 (0.92–2.38)

1.80 (1.18–2.76)

1.93 (1.21–3.11)

2.35 (1.40–3.46)

SCr (umol/L)

29.75 ± 8.48

23.96 ± 6.29

23.52 ± 6.19

23.67 ± 6.42

Cystatin-C (mg/L)

1.12 ± 0.24

1.11 ± 0.21

1.10 ± 0.21

1.14 ± 0.21

BUN (umol/L)

3.35 (2.28–4.64)

2.86 (2.11–4.36)

2.98 (2.16–4.48)

3.14 (2.14–4.58)

CPB duration (min)

83 (66–106)

85 (61–106)

83 (61–105)

90 (71–118)

ACC duration (min)

54 (43–77)

55 (41–76)

54 (41–76)

56 (45–80)

Nadir temperature (℃)

30.79 ± 1.48

30.97 ± 1.46

31.01 ± 1.51

30.86 ± 1.73