Performance of the EQ-5D-5L with skin irritation and self-confidence bolt-on items in patients with urticaria.

Objectives: This study aimed to validate the EQ-5D-5L with the addition of skin irritation and self-confidence bolt-on items in Chinese patients with urticaria.

Methods: The skin irritation and self-confidence bolt-on items were translated into Simplified Chinese and cognitively debriefed. A cross-sectional survey was subsequently conducted among patients diagnosed with urticaria in Guangdong Province, China.