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Table 2 SCORTEN scoring of the patient [9]

From: Toxic epidermal necrosis associated with phenobarbitone: a case report and brief review of the literatures

Prognostic factors Score Mortality rate
Age > 40 years 0 Score 0 = 1–3%
Score 2 = 12%
Score 3 = 35%
Score 4 = 58%
Score 5 or more = 90%
Heart rate > 120 beats per minute 0
Cancer or hematologic malignancy 0
Involved body surface area > 10% 1
Blood urea nitrogen level > 10 mmol/L (28 mg/dL) 0
Serum bicarbonate level < 20 mmol/L (20 mEq/L) 0
Blood glucose level > 14 mmol/L (252 mg/dL) 0