Table 5 Univariate analysis of average dosimetric parameters
Parameters | ≥ grade 2 (min - max) | grade 0–1 (min - max) | p value |
|---|---|---|---|
PTV (cm3) | 448.5 (155.8–712.7) | 371.0 (73.8–1319.8) | 0.193 |
MLD (Gy RBE) | 12.0 (6.5–17.0) | 9.0 (2.9–16.2) | 0.023 |
V5 (%) | 33.8 (17.9–49.0) | 24.9 (7.0–46.1) | 0.034 |
V10 (%) | 30.6 (15.3–46.2) | 22.6 (6.5–42.6) | 0.045 |
V20 (%) | 24.5 (10.1–31.4) | 17.9 (5.6–36.7) | 0.039 |
V30 (%) | 19.0 (10.1–31.4) | 12.9 (3.7–23.6) | 0.015 |
V40 (%) | 12.2 (5.2–18.1) | 8.8 (3.1–18.9) | 0.052 |
V50 (%) | 6.7 (2.6–13.3) | 5.8 (2.1–14.2) | 0.442 |