Table 3.
Comparisons of mean gamma passing rates (across the five cross-validation folds) for low-resolution dose (with 3 mm or 5 mm grids) and predicted high-resolution dose in the planning target volume (PTV), bladder, and rectum.
| ROI | Gamma passing rate with a 2%/2 mm criterion (%) | |||||
|---|---|---|---|---|---|---|
| AAA | AXB | |||||
| 3 mm grid | Prediction AAA 3 model | 5 mm grid | Prediction AAA 5 model | 3 mm grid | Prediction AXB 3 model | |
| PTV | 93.6 (3.7) | 99.1 (1.0) | 71.0 (5.8) | 92.4 (4.6) | 88.0 (6.2) | 98.2 (2.6) |
| Bladder | 98.1 (2.1) | 99.5 (1.3) | 90.0 (4.7) | 97.9 (2.3) | 98.0 (2.1) | 99.1 (2.4) |
| Rectum | 98.8 (0.8) | 100.0 (0.1) | 72.4 (6.9) | 99.0 (1.1) | 98.7 (0.6) | 99.4 (0.4) |
The standard deviations are indicated in parentheses.
ROI, region of interest; AAA, anisotropic analytical algorithm; AXB, Acuros XB.