Performance measure | α |
---|---|
1. Percentage of polyp markers found | .80 |
2. Number of polyp markers found per minute | .84 |
3. Percentage of mucosal surface illuminated for 0.5Â s or more | .90 |
4. Percentage of polyp markers illuminated for 2.5Â s or more but not identified | .57 |
5. Withdrawal time (min) | .79 |
6. Linear distance travelled by colonoscope (m) | .94 |
7. Total tip distance travelled (m) | .87 |
8. Tip distance travelled due to up/down control movement (m) | .90 |
9. Tip distance travelled due to left/right control movement (m) | .91 |
10. Tip distance travelled due to axial rotation (m) | .89 |