Fig. 3

Distribution of cumulative number of risk factors by survival groups. Patients were grouped by survival days after hospital admission (≤7 days, 8–30 days, and > 30 days). Fourteen risk factors were included in the counting, including age ≤ 1 years, initially admitted to PICU, having sepsis, myocardial damage, heart failure, shock, CNS disease, hepatic dysfunction, severe pneumonia, respiratory failure and/or ARDS, coagulopathy and/or DIC, acute kidney injury, gastrointestinal disorder, and immunodeficiency