Table 3. Independent risk factors in SCORTEN and the scores assigned to each risk factor.

SCORTEN: Severity-of-Illness Score for Toxic Epidermal Necrolysis

Source: [7]

Risk factor	Score
-	0	1
Age	<40 years	≥40 years
Associated cancer	No	Yes
Heart rate	<120 beats/minute	≥120 beats/minute
Serum blood urea nitrogen	≤28 mg/dL (10 mmol/L)	>28 mg/dL (10 mmol/L)
Detached or compromised body surface	<10%	≥10%
Serum bicarbonate	≥20 mEq/L (≥20 mmol/L)	<20 mEq/L (<20 mol/L)
Serum glucose	≤250 mg/dL (≤13.88 mmol/L)	>250 mg/dL (>13.88 mmol/L)