SCORAD Calculator

The SCORing Atopic Dermatitis (SCORAD) index was developed in 1993 by the European Task Force on atopic dermatitis. Researchers developed the SCORAD using statistical methods to standardize the assessment of atopic dermatitis and its severity. Clinicians chose the evaluation system for its ease of use in outpatient clinics.

The calculator returns a SCORAD index value. Clinicians commonly use it to assess the severity of atopic dermatitis and eczema. The SCORAD calculator uses the extent and the intensity of five types of lesions and dryness, as well as subjective symptom ratings for itching and sleeplessness to return an index value.

How to Use the SCORAD Calculator

Healthcare practitioners assign each part of the body a percentage value, and together these values form 100 percent of the body’s total area. Also, they call this the body surface area (BSA).

Add the percentages for the extent of the disease in each part of your body. Enter this total value, which is between 1 and 100, for the extent of the disease. This value represents the surface area of the body that is affected by the disease.

Lastly, doctors measure the intensity of the disease by assigning values to five types of lesions and dryness.

The five types of lesions are:

Erythema (Redness)
Papulation / Edema (Swelling)
Oozing / Crusting
Excoriation (Scratched)
Lichenification (Leathery)

Select values between 0 and 3 for the intensity. A value of 1 indicates mild intensity, 2 indicates moderate intensity, and 3 indicates severe intensity. In the absence of any lesions or dryness, enter 0.

Rate the subjective symptoms of itching and sleeplessness on a scale of 0 to 10. The scoring system measures both itching and sleeplessness based on patient input. A rating of 0 specifies an absence of symptoms and a rating of 10 specifies the worst symptoms ever experienced, averaged over the prior three nights.

The total index value is calculated out of a total of 103. Doctors weigh the scores for extent and intensity, add them to the subjective symptom score, and finally, calculate the index value.

SCORAD Index Values/ SCORAD Score

The SCORAD index value represent the severity of the disease.

Index values less than 20/25 are mild cases.
Index values between 20/25 and 40/50 are moderate cases.
Index values greater than 40/50 are severe cases.

These index values then help determine a treatment regimen.

References:

Derma Tools:

“SCORAD Calculator”

Severity Scoring of Atopic Dermatitis:

The SCORAD Index

Head and neck (9% BSA)	0% 25% 50% 75% 100%
Upper limbs (left) (9% BSA)	0% 25% 50% 75% 100%
Upper limbs (right) (9% BSA)	0% 25% 50% 75% 100%
Lower limbs (left) (18% BSA)	0% 25% 50% 75% 100%
Lower limbs (right) (18% BSA)	0% 25% 50% 75% 100%
Anterior trunk (18% BSA)	0% 25% 50% 75% 100%
Back (18% BSA)	0% 25% 50% 75% 100%
Genitals (1% BSA)	0% 25% 50% 75% 100%

Redness	0 1 2 3
Swelling	0 1 2 3
Oozing / Crusting	0 1 2 3
Scratch marks	0 1 2 3
Skin thickening (lichenification)	0 1 2 3
Dryness	0 1 2 3

Itch	0 1 2 3 4 5 6 7 8 9 10
Sleeplessness	0 1 2 3 4 5 6 7 8 9 10