Table 1. Scoring system of the Japanese modelss.
| Model | Score | High risk |
|---|---|---|
| Kobayashi | ≥ 4 points | |
| AST > 100 U/L | 2 | |
| Na ≤ 133 mmol/L | 2 | |
| IVIG with fever ≤ 4 days | 2 | |
| Neutrophils/Leucocytes ≥ 80% | 2 | |
| CRP ≥ 10 mg/dL | 1 | |
| Age ≤ 1 year old | 1 | |
| Platelets ≤ 300,000/µL | 1 | |
| Egami | ≥ 3 points | |
| ALT ≥ 80 U/L | 2 | |
| IVIG with fever ≤ 4 days | 1 | |
| CRP ≥ 8 mg/dL | 1 | |
| Age ≤ 6 months | 1 | |
| Platelets ≤ 300,000/µL | 1 | |
| Sano | ≥ 2 points | |
| AST > 200 U/L | 1 | |
| Total bilirubin ≥ 0.9 mg/dL | 1 | |
| CRP ≥ 7 mg/dL | 1 |
AST: aspartate transaminase; U: international unity; L: liter; Na: serum sodium; mmol: millimole; IVIG: intravenous immunoglobulin; CRP: C-reactive protein; mg: milligram; dL: deciliter; µL: microliter; ALT: alanine transaminase.