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. 2019 Oct 31;31(6):654–661. doi: 10.5021/ad.2019.31.6.654

Table 3. Definition of moderate and severe AD.

Moderate AD is defined as an AD with EASI score ≥16, or with EASI score <16 but at least one of the following conditions:
 a. Daytime or nighttime Itch with NRS score ≥7
 b. DLQI >10
Severe AD is defined as an AD with EASI score ≥23, or with 16≤EASI score<23 but at least one of the following conditions:
 a. Daytime or nighttime Itch with NRS score ≥7
 b. DLQI >10

AD: atopic dermatitis, EASI: eczema area and severity index, NRS: numerical rating scale, DLQI: dermatology life quality index.