Table 1 Baseline characteristics of participants (n = 168)

Age*

 0 days to 1 week

18 (11%)

 1 week to 1 month

10 (6%)

 1 month to 1 year

60 (36%)

 2–5 years

44 (26%)

 6–12 years

25 (15%)

 13 to < 18 years

11 (7%)

Gender

 Female

64 (38%)

 Male

104 (62%)

Underlying disease category

Surgical

 Cardiology (with cardiopulmonary bypass)

78 (46%)

 Pediatric surgery

9 (5%)

Non-surgical

 Cardiology

20 (12%)

 Oncology

4 (2%)

 Metabolic disease

3 (2%)

Mixed

 Pulmonology (including lung transplantation)

17 (10%)

 Gastroenterology (including liver transplantation)

16 (10%)

 Neurology/neurosurgery

11 (7%)

 Others (ear-nose and throat, immunology, maxillofacial surgery, trauma surgery)

9 (5%)

 Nephrology (including kidney transplantation)

1 (1%)

Mortality

8 (5%)