Table 3 Dose-volume histograms (DVHs) statistics for IMRT
GTV Average (range) | CTV Average (range) | |
|---|---|---|
Volume (cc) | 131.3 (21.2-387.2) | 323 (92.4-1408.2) |
Maximum dose (Gy) | 70.9 (69.2–72.5) | 67.6 (63.5–72.5) |
Mean dose (Gy) | 67.8 (65.9–68.8) | 62.7 (57.7–66.8) |
Minimum dose (Gy) | 56.8 (9.9–65.6) | 42.1 (38.2–56.3) |
% volume receiving < 95% of the prescribed dose | 0.3 (0-1.7) | 1.2 (0–12) |
% volume receiving ≥ 100% of the prescribed dose | 92.1(47.5–100) | 94.0(77.6–99.7) |
% volume receiving ≥ 110% of the prescribed dose | 0 | 15.8 (0-67.1) |