BackgroundThe impact of recurrent angioedema can be severely debilitating and remains difficult to quantify. Several standardized patient-reported outcome measures (PROMs), including the Angioedema Activity Score (AAS), Angioedema Quality of Life Questionnaire (AE-QoL) and Angioedema Control Test (AECT), have been developed and translated into different languages. However, these PROMs have yet to be validated in Chinese and their correlations in the Chinese population remain unknown. ObjectiveTo validate the Chinese AAS, AE-QoL, and AECT and to assess their inter-correlations. MethodsA prospective cohort of 118 Chinese patients with recurrent angioedema at the Angioedema and Urticaria Centre of Reference and Excellence in Hong Kong completed the traditional Chinese versions of the AAS, AE-QoL, and AECT. We analysed the reliability and validity of these PROMs and their correlations with each other and with generic PROMs. ResultsThe Chinese AAS, AE-QoL and AECT demonstrated excellent internal consistency (Cronbach’s α: 0.920, 0.976, and 0.832; McDonald’s ω: 0.972, 0.977, and 0.901; respectively). Confirmatory factor analysis for the AE-QoL showed an acceptable fit to the 4-dimensional model (comparative fit index=0.869, Tucker–Lewis’s index=0.842). The AECT showed significant correlations with both the AAS and AE-QoL (ρ=-0.750 and -0.456 respectively, both p<0.05). The AE-QoL moderately correlated with certain domains of generic PROMs such as WPAI-GH V2.0 and SF-12v2 (all ρ<0.60). ConclusionThe Chinese AE-QoL, AAS, and AECT are valid and reliable tools for Chinese patients. More validated tools should be made available to improve patient care and research for all angioedema patients globally.