Table 1.
Volumetric analysis of case 3–6 for a total of 30/40 completed delineation sets by 10 participants.
| Reference volumes | Participants volumes |
mean Δ(part – ref) | P-value* | |||
|---|---|---|---|---|---|---|
| Target volume | mL | N | median mL (min–max) | mL (%) | ||
| Case 3 | GTVpre | 39.4 | 9 | 38.6 (29.8–94.0) | 3.8 (8.9) | |
| GTVpost | 8.9 | 9 | 12.9 (8.4–78.5) | 16.2 (64.6) | ||
| CTV | 71.8 | 10 | 82.8 (62.3–262.5) | 42.4 (37.1) | 0.20 | |
| Case 4 | GTVpre | 299.9 | 10 | 271.0 (227.9–295.1) | −34.1 (−12.9) | |
| GTVpost | 59.8 | 10 | 41.5 (24.1–111.7) | −12.5 (−26.5) | ||
| CTV | 124.1 | 10 | 94.3 (56.4–231.2) | −1.6 (−1.3) | 0.72 | |
| Case 5 | GTVpre | 133.2 | 8 | 147.2 (123.9–162.0) | 13.2 (9.0) | |
| GTVpost | 15.2 | 8 | 28.6 (12.0–54.1) | 15.5 (50.5) | ||
| CTV | 175.2 | 9 | 217.5 (149.9–409.7) | 63.2 (26.5) | 0.05 | |
| Case 6 | GTVpre | 164.7 | 9 | 163.3 (148.1–172.2) | −4.3 (−2.7) | |
| GTVpost | 17.3 | 9 | 20.6 (10.6–42.1) | 6.5 (27.6) | ||
| CTV | 83.8 | 9 | 108.3 (49.2–193.7) | 34.2 (29.0) | 0.14 | |
*For each case, the difference between the mean CTVobs and the CTVref was tested using a One-Sample Wilcoxon Signed Rank test. A p-value of < 0.05 was chosen to indicate statistical significance.