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Table 2 Calculation of the Severity-of-Illness Score for Toxic Epidermal Necrolysis (SCORTEN) in our patient

From: A case report of toxic epidermal necrolysis (TEN) in a patient with COVID-19 treated with hydroxychloroquine: are these two partners in crime?

Risk factor

Score

Patient score

0

1

Age

< 40 years

> 40 years

1

Associated malignancy*

No

Yes

0

Heart rate (beats/min)

< 120

≥ 120

1

Serum urea (mg/dL) [mmol/L]

≤ 28 [10]

> 28 [10]

1

Detached or compromised body surface

< 10%

≥ 10%

1

Serum bicarbonate (mEq/L)

≥ 20

< 20

0

Serum glucose (mg/dL) [mmol/L]

≤ 250 [14]

> 250 [14]

0

Total

  

4

  1. More risk factors result in a higher score and a higher mortality rate (%) as follows:
  2. 0–1 = 3.2% (CI: 0.1-16.7)
  3. 2 = 12.1% (CI: 5.4-22.5)
  4. 3 = 35.5% (CI: 19.8-53.5)
  5. 4 = 58.3% (CI: 36.6-77.9)
  6. ≥5 = 90% (CI: 55.5-99.8)
  7.  CI: Confidence Interval [42, 43]
  8. aMalignancy: evolving cancer and hematological malignancies