Table 1 Dosimetric parameters of CTV for four types of plans
OAR doses | Dose differences rate (p value) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
IMRT | IMRT-BMS | IMPT | IMPT-BMS | IMRT versus IMPT | IMRT versus IMRT-BMS | IMPT versus IMPT-BMS | IMRT-BMS versus IMPT-BMS | IMRT-BMS versus IMPT | IMRT versus IMPT-BMS | |
CTV D98% | ||||||||||
Median | 45.1 | 45 | 45.1 | 45.1 | 0% | − 0.2% | 0% | 0.2% | 0.2% | 0% |
(min–max) | (44.8–45.3) | (44.8–45.3) | (44.8–45.4) | (45–45.3) | 0.437 | 0.001 | 0.28 | < 0.001 | 0.048 | < 0.001 |
CTV D2% | ||||||||||
Median | 46.3 | 46.6 | 46.8 | 47.3 | 1.1% | 0.6% | 1.1% | 1.5% | 0.4% | 2.2% |
(min–max) | (45.7–47.2) | (46–47.8) | (45.7–47) | (46.9–47.5) | 0.001 | < 0.001 | < 0.001 | < 0.001 | 0.064 | < 0.001 |
CTV Dmean | ||||||||||
Median | 45.6 | 45.8 | 45.9 | 46.2 | 0.7% | 0.4% | 0.7% | 0.9% | 0.2% | 1.3% |
(min–max) | (45.3–45.9) | (45.5–46.4) | (45.6–46) | (46–46.4) | < 0.001 | < 0.001 | < 0.001 | < 0.001 | 0.064 | < 0.001 |