Table 4.
Comparison of the image processing time for upper airway segmentation
| Sample | Mean time (min) | SD | Confidential interval (min) | F | Significance | ||
|---|---|---|---|---|---|---|---|
| Lower Limit | Upper Limit | ||||||
| ITK-Snap (a) | 20 | 18.05 (b) | 6.54 | 14.99 | 21.11 | 3.280 | p < 0.05 |
| Invesalius (b) | 20 | 12.11 (a) | 3.29 | 10.57 | 13.65 | ||
| Dolphin 3D (c) | 20 | 16.43 | 5.48 | 13.87 | 19.00 | ||
| Slicer 3D (d) | 20 | 14.81 | 7.09 | 11.49 | 18.13 | ||
| Seg3D (e) | 20 | 14.79 | 3.86 | 12.99 | 16.61 | ||
*Significance set at p < 0.05 and based on one-way analysis of variance (ANOVA) and Scheffe's post-hoc comparisons tests; a, b, c, d, e, f = identifiers for post-hoc comparisons tests
SD standard deviation