Table 1 Baseline characteristics of included patients

Pre-operative

 Male/female

104/86

 Age (months)

18.383 (7.367–49.367)

 Weight (kg)

9.250 (6.500–15.000)

 PASP (mmHg)

75.000 (67.750–82.000)

 Diagnosis

  Simple CHD

78

  Complex CHD

112

 RACHS-1 score

  1

12

  2

131

  3

44

  4

1

  5

2

 Pre-operative neutrophil (10⁹/L)

2.595 (1.998–3.553)

 Pre-operative lymphocyte (10⁹/L)

4.625 (3.008–5.848)

 Pre-operative NLR

0.586 (0.404–1.022)

Intra-operative

 CPB time (min)

61.000 (52.000–72.000)

 Aortic clamping time (min)

34.000 (26.750–47.000)

 Operation time (min)

140.000 (130.000–160.000)

Post-operative

 Post-operative neutrophil (10⁹/L)

9.660 (7.860–12.190)

 Post-operative lymphocyte (10⁹/L)

1.490 (1.090–1.873)

 Post-operative NLR

6.499 (4.897–9.114)

 ALT (U/L)

20.550 (17.400–26.800)

 AST (U/L)

105.400 (80.625–133.85)

 ALB (g/L)

42.203 ± 3.714

 STB (µmol/L)

21.370 (15.868–30.125)

 CR (µmol/L)

28.800 (23.000–35.000)

 BUN (mmol/L)

6.690 (5.365–7.903)

 UA (µmol/L)

312.650 (251.075–419.025)

 LVEF (%)

60.000 (58.000–62.000)

 Mechanical ventilation time (h)

22.400 (5.917–47.596)

 ICU stay time (days)

2.856 (0.917–5.864)

 Total length of stay (days)

18.000 (14.000–24.250)