TABLE III.
Results for Randomized Phantom Study
| Case Number | Route | Insertion Depth | Hands-Free (min:sec) | Tech-Assisted (min:sec) | ||
|---|---|---|---|---|---|---|
| trial 1 | trial 2 | trial 1 | trial 2 | |||
| A | r2 | 2 | 0:12 | 0:12 | 0:28 | 0:22 |
| r1 | 2 | 0:12 | 0:13 | 0:25 | 0:22 | |
| r3 | 3 | 0:17 | 0:25 | 0:38 | 0:23 | |
| r5 | 5 | 0:26 | 0:38 | 1:05 | 0:50 | |
| r4 | 6 | 0:41 | 0:35 | 0:49 | 0:44 | |
| mean ± SD: | 0:23 ± 0:12 | 0:37 ± 0:15 | ||||
|
| ||||||
| B | r3 | 5 | 0:31 | 0:31 | 0:48 | 0:35 |
| r6 | 5 | 0:34 | 0:43 | 0:47 | 0:32 | |
| r2 | 6 | 0:34 | 0:42 | 0:46 | 0:37 | |
| r1 | 8 | 0:52 | 0:39 | 1:09 | 1:04 | |
| r5 | 9 | 1:01 | 1:11 | 1:13 | 1:14 | |
| r4 | 12 | 1:12 | 1:00 | 1:44 | 0:59 | |
| mean ± SD: | 0:48 ± 0:15 | 0:57 ± 0:21 | ||||
“Hands-Free” and “Tech-Assisted” columns give the guidance times for each guidance trial for the indicated VBN system. The values for mean ± SD give mean and standard deviation information over all measurements for a given system.