Primary endpoints
sleep impairment, allergic rhinitis
RHINITIS, ALLERGIC RHINITIS
The primary outcome measure was the Combined Symptoms and Medication Score (CSMS)A further primary endpoint measure was quality of life measured with the Rhinitis Quality of Life Questionnaire (RQLQ). This instrument includes 28 questions within seven fields to assess health-related quality of life in allergic rhinitis (activity limitations, sleep impairment, non-nasal/eye symptoms, practical problems, nasal symptoms, eye symptoms, and emotional problems). Participants have to indicate their responses on Likert scales from “0” (= symptoms did not bother me) to “6” (= symptoms bothered me extremely). Lower scores indicate improved health related quality of life. The RQLQ is widely used and has been validated before