Table 1 Patient’s demographics

Age (months old)

14 (3, 45)

Gender (male)

236/459(52.7%)

RACHS-1

3(2, 3)

Lowest temperature during CPB (°C)

32 (28,32)

CPB time, (min)

91 (66, 128)

The use of epinephrine after weaning from CPB

60/459 (13.1%)

ICU stay (day)

6 (3, 8)

The duration between Lac_FIRST and Lac_Last (min)

62 (37, 87)

Lac_First(mmol/L)

2.1 (1.3, 3.2)

Lac_Last (mmol/L)

2.5 (1.6, 3.8)

LAC⊿ (mmol/L)

0.3 (0, 1.0)