Table 2 Dice score of region of interest (ROI) extraction and cross-validation results in urinary system segmentation.
| Â | Avg | Kidney | Ureter | Urinary bladder | |||
|---|---|---|---|---|---|---|---|
Total ureter | Proximal ureter | Middle ureter | Distal ureter | ||||
ROI extraction | 0.9483 (± 0.0211) | 0.9632 (± 0.0412) |  |  |  |  | 0.9334 (± 0.0432) |
Segmentation | |||||||
 Avg (95% CI) | 0.8673 (± 0.0055) | 0.9651 (± 0.0019) | 0.7172 (± 0.0124) | 0.7165 (± 0.0158) | 0.6677 (± 0.0143) | 0.6489 (± 0.0203) | 0.9196 (± 0.0072) |
 Split-1 | 0.8687 (± 0.1360) | 0.9624 (± 0.0448) | 0.7127 (± 0.1408) | 0.7228 (± 0.1183) | 0.6557 (± 0.0987) | 0.6323 (± 0.1046) | 0.9311 (± 0.0405) |
 Split-2 | 0.8749 (± 0.1253) | 0.9669 (± 0.0528) | 0.7322 (± 0.1482) | 0.7255 (± 0.1265) | 0.6826 (± 0.1025) | 0.6702 (± 0.1119) | 0.9255 (± 0.0485) |
 Split-3 | 0.8576 (± 0.1427) | 0.9641 (± 0.0498) | 0.6954 (± 0.1460) | 0.6854 (± 0.1192) | 0.6466 (± 0.1034) | 0.6213 (± 0.1082) | 0.9133 (± 0.0466) |
 Split-4 | 0.8687 (± 0.1273) | 0.9677 (± 0.0531) | 0.7251 (± 0.1415) | 0.7179 (± 0.1184) | 0.6835 (± 0.1074) | 0.6742 (± 0.1080) | 0.9133 (± 0.04911) |
 Split-5 | 0.8666 (± 0.1289) | 0.9645 (± 0.0460) | 0.7206 (± 0.1376) | 0.7308 (± 0.1279) | 0.6703 (± 0.1249) | 0.6465 (± 0.1187) | 0.9146 (± 0.0426) |
