Table 2.
Usability survey results.
| SUSa item | Mean (SD) | Median (IQR) |
| I think that I would like to use this system frequently | 3.16 (0.94) | 3.00 (2.00-4.00) |
| I found the system unnecessarily complex | 3.52 (1.16) | 4.00 (3.00-4.00) |
| I thought the system was easy to use | 3.64 (0.64) | 4.00 (3.00-4.00) |
| I think that I would need the support of a technical person to be able to use this system | 3.76 (0.83) | 4.00 (3.00-4.00) |
| I found the various functions in this system were well integrated | 3.08 (0.95) | 3.00 (2.00-4.00) |
| I thought there was too much inconsistency in this system | 3.08 (1.15) | 4.00 (3.00-4.00) |
| I would imagine that most people would learn to use this system very quickly | 3.80 (0.50) | 4.00 (3.00-4.00) |
| I found the system very cumbersome to use | 3.68 (0.75) | 4.00 (3.00-4.00) |
| I felt very confident using the system | 3.28 (0.89) | 4.00 (2.00-4.00) |
| I needed to learn a lot of things before I could get going with this system | 3.36 (1.19) | 4.00 (2.00-4.00) |
| Final SUS score (0-100) | 85.90 (13.44) | 92.50 (80.00-98.00) |
aSUS: System Usability Scale.