Abstract: Objective: To evaluate the applicability and adherenceof the application of the intelligent health management software Sinusitis Rehabilitation APP for patients with Chronic Rhinosinusitis. Methods: From October 2018 to March 2019, a convenient sampling method was used to investigate user experience of 304 patients who had used the Sinusitis Rehabilitation APP in a tertiary grade A hospital in Beijing. Results: A total of 304 patients participated in this study, with the total score of 71~170 (149.16±18.85) points and scores of 20-23 points in 7 dimensions of APP's applicability. Among the research subjects, 168 cases (55.3%) used the APP frequently, 104 cases (34.2%) used the APP occasionally, and 32 cases (10.5%) used the APP rarely. Among them, 100 cases (32.9%) used the APP for 5-10 minutes each time, 144 cases (47.4%) used the APP for 11-30 minutes each time, and 60 cases (19.7%) used the APP for over 30 minutes each time. The application frequency of each module ranked from high to low were: knowledge education, follow up and medication reminder, group ranking, weekly symptom self-evaluation, interactive platform, and questionnaire survey. Conclusion: The results obtained in this study show that the Sinusitis Rehabilitation APP embodies the characteristics of easy-to-use and convenient operation, and has good applicability and adherence.

Key words: chronic rhinosinusitis; smartphone; application (APP); applicability; adherence