Numbers of Training and Validation Data for Each Organ and DSC Over Validation Set
| Organ | No. of training CTs | No. of validation CTs | DSC mean (95% CI) |
| Brain | 200 | 11 | 0.973 (0.959–0.981) |
| Heart | 386 | 32 | 0.865 (0.725–0.927) |
| Liver | 1,788 | 31 | 0.965 (0.937–0.978) |
| Kidney, left | 1,508 | 32 | 0.932 (0.759–0.967) |
| Kidney, right | 1,750 | 32 | 0.942 (0.841–0.968) |
| Lungs | 5,000 | 32 | 0.958 (0.915–0.973) |
| Bladder | 724 | 20 | 0.930 (0.647–0.980) |
| Skeleton | 768 | 33 | 0.926 (0.894–0.944) |
Training and validation sets varied across different organs because of availability of manual annotations from clinical experts.