Table 2.

Differences between CT and MRI delineation

Group	(A) No relevant change	(B) Relevant change	(C) All patients
Number of patients	5	11	16
Absolute volume (MRI-CT) [ml] (median; range)	-0.5 (-4.7–1)	4 (-8.5–10)	0.75 (-8.5–10)
Relative volume (MRI-CT) [%] [median, range]	-2.46 (-27.7–15.63)	19.64 (-18.4–47.78)	10.7 (-27.7–47.8)
DSI [median, range]	0.734 (0.606–0.919)	0.775 (0.507–0.942)	0.769 (0.507–0.942)
HD95 [mm] [median, range]	5.97 (2.92–9.06)	6.41 (2.82–19.21)	5.97 (2.82–19.21)
Final GTV not contained in PTV (CT)	0 (0%)	7 (64%)	7 (44%)