urticaria_activity_score: Urticaria Activity Score (UAS)

In cliot: Clinical Indices and Outcomes Tools

Urticaria Activity Score (UAS)

Description

Calculates the daily Urticaria Activity Score (UAS) to assess the disease activity of chronic spontaneous urticaria. The score is the sum of the daily wheal score and the daily pruritus score.

Usage

urticaria_activity_score(wheals_score, pruritus_score)

Arguments

wheals_score	Numeric (0-3). Assessment of number of wheals. 0: None. 1: Mild (< 20 wheals/24h). 2: Moderate (20-50 wheals/24h). 3: Intense (> 50 wheals/24h or large confluent areas of wheals).
pruritus_score	Numeric (0-3). Assessment of intensity of itch. 0: None. 1: Mild (Present but not annoying or troublesome). 2: Moderate (Troublesome but does not interfere with normal daily activity or sleep). 3: Intense (Severe, sufficiently troublesome to interfere with normal daily activity or sleep).

Value

A list containing:

UAS_Daily_Score	The calculated daily score (Range 0-6).
Interpretation	Context for the score range.

References

Zuberbier T, Aberer W, Asero R, et al. The EAACI/GA²LEN/EDF/WAO guideline for the definition, classification, diagnosis and management of urticaria. Allergy. 2018;73(7):1393-1414. doi:10.1111/all.13397

Examples

# Example 1: Moderate Disease
# Moderate wheals (2), Mild itch (1)
# Score = 3
urticaria_activity_score(2, 1)

# Example 2: Severe Disease
# Intense wheals (3), Intense itch (3)
# Score = 6
urticaria_activity_score(3, 3)

cliot documentation built on Dec. 1, 2025, 1:06 a.m.