This page describes patient-reported outcome measures in urticaria.

Urticaria control test (UCT)1


The UCT covers the following 4 domains:

Image of icons and text outlining the 4 domains of UCT

  • Validated and specifically designed for chronic urticaria
  • Self-administered, retrospective (past 4 weeks) 4-item questionnaire
  • Each answer is scored ranging from 0 to 4
  • The summed score ranges from 0: no control to 16: full control


Image of minimal important clinical difference: 3 points

Urticaria activity score (UAS7)*


A method for assessing disease severity

  • Tools are available for angioedema-only patients2
  • Patient scores their number of hives (0 to 3)** and pruritus severity (0 to 3) each day for 7 days2
  • Maximum weekly score is 42 – a higher score corresponds to more severe disease2
  • Severe CSU has a UAS7 score of 28–423

*Included in the NICE guidance as an example of objective assessment of disease severity.
**Scoring from 0 (none) to 3 (intense).


Image of urticaria activity score graph

Dermatology Life Quality Index (DLQI)4


The DLQI is a simple, validated questionnaire used to evaluate health-related quality of life in patients with skin diseases.

  • It consists of 10 questions comprising 6 domains:


Symptoms and feelings icon

Symptoms and feelings

Daily activities icon

Daily activities

Personal relationships icon

Personal relationships

Leisure icon


Work and school icon

Work and school

Treatment icon




  • The effect of the disease on each domain is scored from 0 (not at all) to 3 (very much) for each question, giving a total score of between 0 and 30
  • Higher DLQI score corresponds to greater impairment on quality of life

As part of our mission to be as environmentally friendly as possible, we provide our resources in electronic form.

These materials should not be printed by healthcare professionals.



The patient-reported outcomes resource presents patient-reported outcomes for healthcare professionals to use with patients with CSU; these outcomes include the UCT, UAS7 and DLQI.



Cover image of patient reported outcomes booklet


CSU, chronic spontaneous urticaria; DLQI, Dermatology Life Quality Index; UAS7, urticaria activity score at seven days; UCT, urticaria control test.


  1. Moestrup K et al. Int J Dermatol 2017; 56:1342–1348.
  2. Zuberbier T et al. Allergy 2014; 69:868–887.
  3. Stull D et al. EAACI 2014, abstract 826.
  4. Finlay AY et al. Clin Exp Dermatol 1994;19(3):210–216.
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XSU20-C017(1) November 2020.

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