Table 2.
Summary of dosimetric results for CTV and OAR planned and delivered dose.
| Dose constraint | Planned dose (Gy) |
Delivered dose (Gy) |
p-value | ||
|---|---|---|---|---|---|
| Mean (SD) | Range | Mean (SD) | Range | ||
| CTVv D95% | 43.9 (0.4) | 43.0–44.4 | 43.4 (1.1) | 40.7–45.0 | 0.02 |
| CTVv D99% | 43.5 (0.3) | 42.7–44.0 | 43.0 (1.2) | 39.5–44.6 | 0.04 |
| CTVv D50% | 45.1 (0.3) | 44.6–45.7 | 44.5 (0.7) | 42.9–45.7 | <0.01 |
| CTVv D5% | 46.3 (0.4) | 45.6–47.1 | 45.5 (0.7) | 44.0–46.8 | <0.01 |
| CTVv D2% | 46.6 (0.4) | 45.9–47.3 | 45.7 (0.7) | 44.2–47.0 | <0.01 |
| Rectum V40 Gy | 0.6 (0.2) | 0.3–0.9 | 0.5 (0.3) | 0.0–0.9 | 0.35 |
| Rectum V30 Gy | 0.8 (0.4) | 0.7–1.0 | 0.8 (0.1) | 0.6–1.0 | <0.01 |
| Bladder mean dose | 37.5 (2.4) | 31.3–41.4 | 37.7 (2.5) | 31.3–42.4 | 0.04 |