Health

EASI score calculator: score redness, thickness, scratching and lichenification in four body regions to get the Eczema Area and Severity Index and its band.

PASI score calculator: score redness, thickness, scaling and area for four body regions to get the Psoriasis Area and Severity Index, plus PASI 75 and 90.

The Psoriasis Disability Index (PDI) explained: 15 questions scored 0 to 45 measuring how psoriasis affects daily life, plus its research and licensing.

The Dermatitis Family Impact questionnaire (DFI) measures how a child’s eczema affects the family: 10 questions scored 0 to 30, and how to get a copy of it.

The Cardiff Acne Disability Index (CADI) explained: a 5-question acne quality of life measure scored 0 to 15, its research, and how to get a free licence.

The Infants’ Dermatitis Quality of Life Index (IDQOL) for babies under 4 with eczema: what it measures, how it is scored 0 to 30, and how to get it legally.

The Family Dermatology Life Quality Index (FDLQI) measures how skin disease affects partners and family. How it is scored 0 to 30 and how to get it legally.

The Children’s Dermatology Life Quality Index (CDLQI) for ages 4 to 16: how it is scored 0 to 30, what each score band means, and how to get a copy of it.

A guide to Cardiff University’s dermatology quality of life questionnaires: DLQI, CDLQI, FDLQI, IDQOL, CADI, DFI and PDI, with scoring and licensing notes.