Table 2 SCORETEN grading system for disease severity in TEN
| Score | Criteria |
|---|---|
| 1 | Age > 40 |
| 1 | Presence of a comorbid malignancy |
| 1 | Heart rate > 120 beats per minute |
| 1 | Initial percentage of epidermal detachment >10 % |
| 1 | Serum urea level >10 mmol/l |
| 1 | Serum glucose level >14 mmol/l |
| 1 | Serum bicarbonate level <20 mmol/l |