Table 3.
Mean percentage of irradiated rectal volumes for V50Gy, V60Gy, V65Gy and V70Gy, range (%) in parenthesis.
| CT 1 | CBCT 1 | CBCT 2 | CBCT 3 | CBCT 4 | CBCT 5 | CBCT 6 | CBCT 7 | CBCT 8 | |
|---|---|---|---|---|---|---|---|---|---|
| V50 Gy | 33.0% (50.4–21.6) |
35.7% (49.8–17.9) |
33.8% (57.5–12.1) |
33.5% (54.4–18.7) |
32.7% (54.8–15.5) |
33.5% (56.8–21.6) |
34.6% (51.5–22.2) |
33.9% (50.6–21.6) |
36.1% (59.9–18.3) |
| V60 Gy | 25.6% (42–16.3) |
28.7% (39.8–12.7) |
26.5% (47.3–8.6) |
26.3% (44.6–13) |
25.7% (46.1–10.3) |
26.5% (48.1–17.1) |
27.3% (43.7–15.8) |
26.6% (42.4–15.4) |
28.8% (49.5–14.3) |
| V65 Gy | 20.9% (36.3–12.8) |
24.1% (34.1–9.9) |
21.8% (41.3–6.5) |
21.9% (39.3–10.0) |
21.2% (41.1–7.6) |
22.1% (43.5–13.5) |
22.8% (38.8–11.5) |
22.0% (38.1–11.5) |
24.2% (43.7–11.3) |
| V70 Gy | 14.0% (24.4–8.0) |
16.8% (25.4–6.4) |
15.1% (29.2–4.2) |
15.2% (28.3–5.9) |
14.9% (31.9–4.2) |
15.7% (33.0–3.3) |
16.2% (28.5–7.5) |
15.1% (29.1–7.1) |
17.4% (31.6–7.9) |