Table 2.
Comparison of the usability of the two smartphone app versions.
| Statement | Good and very good agreement with the statement, % of patients | P value | |
| Version 1 (n=86) | Version 2 (n=67) | ||
| I find the app helpful | 62 (72%) | 61 (91%) | .003 |
| The app is easy to use | N/Aa | 66 (99%) | N/Aa |
| The app helps me deal with the symptoms of my illness | 53 (62%) | 51 (76%) | .057 |
| The app has had a positive effect on doctor visits | 69 (80%) | 54 (81%) | .96 |
| My records were taken into account by the doctor during consultations | 81 (94%) | 60 (90%) | .29 |
| My symptoms are taken seriously by the doctor | 84 (98%) | 65 (97%) | 1.0 |
| I believe that my personal data will be treated confidentially | 84 (98%) | 67 (100%) | .50 |
| I would recommend the app to other patients | 84 (98%) | 65 (97%) | 1.0 |
aN/A: not applicable.