SCORTEN is a severity of illness score developed by Bastuji-Garin et al for patients with toxic epidermal necrolysis (TEN). This can be used to predict the patient's risk of mortality. The authors are from Hopital Henri-Mondor and Universite Paris XII.
Patient selection: toxic epidermal necrolysis (TEN)
Parameters:
(1) age in years
(2) heart rate in beats per minute
(3) cancer or hematologic malignancy
(4) percent of body surface area (BSA) involved on day 1
(5) serum urea in mmol/L
(6) serum bicarbonate in mmol/L
(7) serum glucose in mmol/L
|
Parameter |
Finding |
Points |
|
age in years |
< 40 years |
0 |
|
|
>= 40 years of age |
1 |
|
heart rate in beats per minute |
< 120 beats per minute |
0 |
|
|
>= 120 beats minute |
1 |
|
cancer or hematologic malignancy |
absent |
0 |
|
|
present |
1 |
|
percent BSA involved on day 1 |
< 10% |
0 |
|
|
>= 10% |
1 |
|
serum urea |
<= 10 mmol/L |
0 |
|
|
> 10 mmol/L |
1 |
|
serum bicarbonate |
>= 20 mmol/L |
0 |
|
|
< 20 mmol/L |
1 |
|
serum glucose |
<= 14 mmol/L |
0 |
|
|
> 14 mmol/L |
1 |
where:
• The text on page 151 and Table II (Bastuji-Garin, 2000) differ on age = 40 years, heart rate = 120 beats per minute, and percent BSA = 10%. The data in the table was used above.
SCORETEN =
= SUM(points for all 7 parameters)
Interpretation:
• minimum SCORTEN: 0
• maximum SCORTEN: 7
• The higher the SCORTEN the higher the mortality.
To predict the mortality rate:
X =
= (1.237 * X) - 4.448
probability of death =
= 1 / (1 + EXP((-1) * X))
Specialty: Dermatology, Pharmacology, clinical
ICD-10: ,
