Table 3.
Total tumor volume assessment
| Number of CT scans | Total tumor volume (cm3) | |
|---|---|---|
| Radiologist | ||
| Training cohort | 473 | 67.64 (16.77–302.36) |
| Test set | 122 | 66.99 (15.84–204.67) |
| External validation cohort | 72 | 5.65 (2.29–17.19) |
| Autosegmentation tumor model | ||
| Test set | 122 | 58.49 (14.61–195.97) |
| External validation cohort | 72 | 7.91 (2.96–20.50) |
| Difference reference and automatic volume | ||
| Test set | 122 | 7.34 (2.82–21.67) |
| External validation cohort | 72 | 2.42 (0.80–6.06) |
Values are shown as median (interquartile range, 25th−75th percentile). The training cohort consisted of CT scans from the training set and validation set, as both sets were used for model training. CT Computed tomography