Supplementary Table 1. Prevalence of risk factors by age group.
| Comorbidity | <30 days n (%) | 30 days-1
year n (%) | 1-17
years n (%) | 18-64
years n (%) | ≥65
years n (%) | 
|---|---|---|---|---|---|
| Congenital heart disease | 6,721 (86.8) | 1,316 (71.0) | 1,020 (30.8) | 416 (6.3) | 68 (3.8) | 
| Cardiac arrest | 556 (7.2) | 663 (35.8) | 996 (30.1) | 1,732 (26.2) | 391 (22.0) | 
| Pneumonia | 613 (7.9) | 408 (22.0) | 1,038 (31.4) | 1,957 (29.6) | 335 (18.9) | 
| Sepsis | 1,625 (21.0) | 508 (27.4) | 1,067 (32.2) | 2,138 (32.3) | 302 (17.0) | 
| Shock | 723 (9.3) | 414 (22.3) | 1,152 (34.8) | 3,800 (57.4) | 976 (55.0) | 
| Respiratory distress syndrome | 929 (12.0) | NA | NA | NA | NA | 
| Respiratory failure (adult) | 64 (6.6) | 1,246 (67.2) | 2,333 (70.5) | 5,096 (77.0) | 1,183 (66.6) |