Table 1.
Scoring system for classifying the cases of DRESS as possible, probable, or definite.
| Scores | Case 1 | Case 2 | Case 3 |
|---|---|---|---|
| Fever ≥ 38.5°C | 0 | 0 | 0 |
| Enlarged lymph nodes | 0 | 1 | 1 |
| Eosinophils 0.7–1.49 × 103/mm3 = 1, ≥1.5× 103/mm3 = 2 |
— | 1 | 1 |
| If leucocytes < 4 × 103/mm3
Eosinophils, 10–19.9% = 1, ≥20% = 2 |
1 | — | — |
| Atypical lymphocytes | 1 | 1 | 1 |
| Skin rash extent (>50% body surface area) | 1 | 1 | 1 |
| Skin rash suggesting DRESS | 1 | 1 | 1 |
| Organ involvement | 1 | 1 | — |
| Resolution ≥ 15 days | 0 | 0 | −1 |
|
| |||
| Total score | 5 | 6 | 4 |
Final score < 2, no case; final score 2-3, possible case; final score 4-5, probable case; final score > 5, definite case.