Table 3 Radiation doses according to the change in cIBS
Structure | ≥15% increase in cIBS (n = 29) | < 15% increase in cIBS (n = 35) | |
|---|---|---|---|
Md (IQR) | Md (IQR) | p | |
Heart | |||
Dmean (Gy) | 3.4 (1.1–4.2) | 1.6 (0.8–2.7) | 0.011 |
Dmax (Gy) | 47.2 (15.0–48.8) | 44.5 (6.4–47.1) | 0.068 |
V45 (%) | 0.5 (0–1.7) | 0 (0–0.4) | 0.025 |
V20 (%) | 4.4 (0–6.2) | 1.1 (0–2.4) | 0.005 |
LAD | |||
Dmean (Gy) | 22.9 (2.3–27.3) | 7.3 (0.4–18.0) | 0.042 |
Dmax (Gy) | 45.9 (5.3–46.8) | 36.3 (0.6–45.3) | 0.040 |
V45 (%) | 0.4 (0–13.9) | 0 (0–0.3) | 0.008 |
V20 (%) | 42.7 (0–68.7) | 8.9 (0–38.4) | 0.041 |
Left ventricle | |||
Dmean (Gy) | 4.9 (1.2–7.0) | 2.3 (0.2–3.8) | 0.023 |
Dmax (Gy) | 45.8 (9.0–47.8) | 41.7 (0.7–45.9) | 0.080 |
V45 (%) | 0.1 (0–2.9) | 0 (0–0.2) | 0.006 |
V20 (%) | 6.7 (0–10.4) | 1.3 (0–4.7) | 0.021 |
V10 (%) | 9.0 (0–15.0) | 3.0 (0–6.5) | 0.006 |
Right ventricle (n = 49) | |||
Dmean (Gy) | 2.4 (1.1–3.1) | 1.5 (0.9–2.3) | 0.074 |
Dmax (Gy) | 29.6 (3.6–44.0) | 8.1 (3.0–39.3) | 0.189 |
V45 (%) | 0 (0–0) | 0 (0–0) | 0.150 |
V20 (%) | 0.1 (0–2.7) | 0 (0–0.4) | 0.053 |
V10 (%) | 0.9 (0–6.5) | 0 (0–1.4) | 0.019 |
Lung | |||
Dmean (Gy) | 8.2 (7.6–9.6) | 6.8 (5.5–8.2) | 0.001 |
Dmax (Gy) | 50.1 (47.9–56.7) | 47.5 (46.4–49.7) | 0.009 |