Table 2.
Comparison of VMAT template (T5) with the current IMRT template (R5) and the delivered clinical plan (CP) for prostate cancer (n = 77).
| Plan quality metric | Clinical plan (CP) | IMRT template (R5) | VMAT template (T5) | P |
|---|---|---|---|---|
| Combined target score (max 75) | 73.54 (24.5–75.2) | 74.82 (32.5–75.0 | 74.84 (25.2–74.9)a | 0.0498 |
| Combined OAR score (max 46) | 46.00 (23.4–46.0) | 46.00 (11.3–46.0)a | 46.00 (12.3–46.0) | 0.0051 |
| Overall score (max 146) | 132.1 (77.8–144.1) | 135.1 (68.6–143.9)a | 138.9 (80.2–144.0)a,b | 0.0003 |
Median (range).
a
Compared to CP, P < 0.05.
b
Compared to R5, P < 0.05.