Table 4 . Results from the survey .
| Experience | Ease of tool use | Acceptability | Time | |
| Number of cases | 15 | 16 | 15 | 16 |
| Minimum | 2.50 | 2.00 | 4.00 | 2.00 |
| Maximum | 30.00 | 4.00 | 5.00 | 5.00 |
| Maximum | 30.00 | 4.00 | 5.00 | 5.00 |
| 95.00% lower confidence limit | 6.94 | 3.24 | 4.06 | 3.63 |
| 95.00% upper confidence limit | 15.80 | 4.00 | 4.60 | 4.24 |
| Standard deviation | 8.00 | 0.72 | 0.49 | 0.57 |