Table 3.
System usability scale scores.
| Item SUS [31] | Median (IQR) |
|---|---|
| 1.Use it frequently | 3.5 (3–4) |
| 2. Unnecessary complex * | 1 (1–2) |
| 3. Easy to use | 4.5 (4–5) |
| 4. Need support of a technical person * | 1 (1–1.5) |
| 5. Functions are well integrated | 3.5 (3–4) |
| 6. Too much inconsistency * | 1.5 (1–2.5) |
| 7. Learn to use it very quickly | 4 (4–4.5) |
| 8. Very cumbersome to use * | 1 (1–2) |
| 9. Very confident in using | 4 (3–4.5) |
| 10. Need to learn a lot to use * | 1 (1–1) |
| Total (Range: 0–100) ** | 77.5 (75–78.5) |
* Even numbered questions are negative questions, with a score of 1 indicating an excellent score. ** To calculate the SUS total score, we converted the original scores to a 0–100 scale.