|
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
|
- Md median, IQR interquartile range, Dmean mean radiation dose to the structure, Dmax maximum radiation dose within the structure, V45 percentage of the structure volume receiving 45 Gy of radiation, V20 percentage of the structure volume receiving 20 Gy of radiation, V10 percentage of the structure volume receiving 10 Gy of radiation, LAD left anterior descending coronary artery
