Table 3.
Published Risk Scoring Systems for IVIG Resistance for Japanese Subjects
| Score Component | Point Assignment  | 
|---|---|
| KOBAYASHI (7 variables) | |
| N=112 Resistant, N=434 Responsive | |
| Low risk: 0–3; High Risk: ≥ 4 | |
| Sensitivity: 86%; Specificity: 67%; | |
| PPV: 43%; NPV: 95% | |
| AST ≥ 100 | 2 | 
| Sodium < 133 mmol/L | 2 | 
| Fever Days ≤ 4 | 2 | 
| %Neutrophils ≥ 80 | 2 | 
| C-Reaction protein ≥ 10 mg/dL | 1 | 
| Age ≤ 1 year | 1 | 
| Plaletets ≤ 30 × 104/mm3 | 1 | 
| EGAMI (5 variables) | |
| N=41 Resistant, N=279 Responsive | |
| Low Risk: 0–2; High Risk: ≥ 3 | |
| Sensitivity: 78%; Specificity: 76%; | |
| PPV: 32%; NPV: 96% | |
| ALT ≥ 80 | 2 | 
| Fever Days ≤ 4 | 1 | 
| C-Reactive protein ≥ 8 mg/dL | 1 | 
| Age < 6 months | 1 | 
| Plaletets ≤ 30 × 104/mm3 | 1 | 
| SANO (3 variables) | |
| N=22 Resistant, N=90 Responsive | |
| Low Risk: 0–1; High Risk=2 | |
| Sensitivity: 77%; Specificity: 86%; | |
| PPV: 59%; NPV: 94% | |
| AST ≥ 200 | 1 | 
| Total Bilirubin ≥ 0.9 mg/dL | 1 | 
| C-Reactive protein ≥ 7 mg/dL | 1 | 
ALT=Alanine aminotransferase
AST=Aspartate aminotransferase
PPV=Positive predictive value
NPV=Negative predictive value