Translation into Portuguese and validation of the Rhinitis Control Assessment Test (RCAT) questionnaire

Abstract Introduction: The Rhinitis Control Assessment Test (RCAT) is a simple self-administered questionnaire developed to assess control of rhinitis. Objectives: Translate into Brazilian Portuguese and validate the RCAT. Methods: The RCAT was translated into Portuguese by two translators and subsequently back-translated into English. It was then applied to 141 adolescents with allergic rhinitis. Results: The internal consistency of the RCAT was 0.73. The questionnaire scores showed significant correlation with total nasal and extra-nasal symptom scores and nasal peak inspiratory flow (r: −0.73, −0.58 and 0.52, respectively; p摘要与引言：鼻炎控制评估测试（Rhinitis Control Assessment Test, RCAT）是一款专为评估鼻炎控制状况开发的简易自评问卷。研究目的：将RCAT翻译成巴西葡萄牙语并对其进行效度验证。研究方法：由两名翻译人员将RCAT译为葡萄牙语，随后将其回译为英语；之后将该问卷应用于141名变应性鼻炎青少年受试者。研究结果：RCAT的内部一致性系数为0.73。问卷得分与鼻腔总症状评分、鼻腔外总症状评分以及鼻腔峰值吸气流速均呈显著相关（相关系数r分别为-0.73、-0.58与0.52；p