Journal of Radiotherapy

Research Article

Variations in Rectal Volumes and Dosimetry Values Including NTCP due to Interfractional Variability When Administering 2D-Based IG-IMRT for Prostate Cancer

Table 3

Summary of differences in DVH parameters presented as relative differences. These values are relative differences represented as the median (range) defined in (5) (see text).
Patient number (Gy) (Gy) (Gy) (Gy) (Gy)
13.2
(−0.4–3.5)		2.6
(−1.7–4.3)		2.6
(0.6–12.5)		3.9
(−1.9–6.5)		2.1
(−0.7–3.8)
22.9
(1.7–3.4)		4.2
(2.1–6.3)		2.2
(−0.6–6.1)		3.4
(1.2–6.9)		2.8
(1.3–3.9)
33.0
(2.5–3.4)		5.9
(3.1–6.4)		7.5
(2.0–11.8)		8.0
(3.7–8.9)		4.4
(2.9–4.7)
4−3.0
(−12.5–2.4)		−4.6
(−15.8–4.3)		−2.0
(−6.0–5.0)		−5.0
(−16.9–7.0)		−3.3
(−14.2–3.5)
51.8
(−2.2–2.7)		3.7
(−2.6–6.3)		3.6
(−1.2–5.9)		6.6
(−3.5–10.8)		2.8
(−2.3–4.3)
62.4
(1.5–2.6)		4.4
(0.2–4.9)		6.1
(−0.3–9.9)		6.0
(1.6–7.9)		3.3
(1.6–3.7)
72.5
(−10.5–4.1)		2.8
(−14.8–6.1)		1.1
(−7.9–13.0)		2.2
(−18.4–8.3)		2.8
(−11.7–5.0)
80.8
(0.2–0.8)		4.4
(2.3–5.4)		7.6
(4.0–14.0)		6.2
(3.2–8.3)		1.8
(0.7–2.1)
91.4
(0.3–3.2)		5.6
(4.4–6.7)		5.8
(3.6–12.4)		6.6
(5.0–8.2)		2.6
(1.7–3.7)
100.8
(−1.5–2.1)		3.5
(−2.2–5.8)		8.4
(0.0–14.4)		4.3
(−2.7–8.1)		2.0
(−1.3–3.2)
111.6
(0.7–2.9)		2.1
(0.4–8.2)		0.0
(−2.6–4.5)		1.8
(−3.3–9.6)		1.9
(0.4–3.8)
124.2
(0.6–4.5)		6.8
(3.9–10.4)		5.4
(0.2–7.1)		6.7
(−1.5–8.4)		4.2
(−0.5–5.2)
130.1
(−1.4–1.6)		−0.8
(−2.6–3.1)		0.4
(−5.2–1.6)		−1.4
(−3.2–4.5)		−0.2
(−1.5–2.1)
143.4
(3.2–3.4)		5.6
(5.2–5.9)		14.6
(9.9–19.2)		7.9
(6.4–8.1)		4.0
(3.5–4.1)
151.4
(−5.3–3.9)		0.8
(−7.7–7.1)		0.8
(−6.8–14.2)		2.7
(−10.7–11.7)		1.2
(−5.6–4.8)
161.3
(0.1–2.0)		2.4
(0.6–5.1)		6.3
(4.2–15.0)		2.2
(−0.8–7.8)		1.7
(0.3–2.9)
172.3
(0.7–3.0)		4.0
(0.3–4.9)		6.9
(−0.9–10.2)		5.9
(−0.8–7.1)		2.8
(0.6–3.6)
182.3
(1.3–2.4)		3.1
(1.3–3.6)		3.5
(1.8–6.1)		3.5
(1.0–4.5)		2.5
(1.1–2.9)
19−0.7
(−4.3–2.0)		−3.1
(−8.9–4.4)		−3.8
(−6.0–0.3)		−4.1
(−13.1–6.8)		−1.6
(−5.8–3.0)
204.8
(3.4–6.0)		7.1
(2.7–9.2)		4.4
(−4.0–6.8)		10.9
(4.4–14.5)		5.5
(2.9–6.6)