Table 1:

Overview over the acquisition of datasets

	C-Arm 3 Seconds	C-Arm 5 Seconds	CTP Prototype^{^a}	CTP VPCT^{^b}
Sheep 1
Pre	v	v	v	v
0 Hours	v	v	v	v
3 Hours	v	v	v	v
Sheep 2
Pre	v	v	v	v
0 Hours	v	v	v	v
3 Hours	v	v	v	v
Sheep 3
Pre	v	v	v	x
0 Hours	x	x	v	v
3 Hours	v	v	v	v
Sheep 4
Pre	x	v	v	v
0 Hours	x	x	x	x
3 Hours	x	x	x	x
Sheep 5	x	x	x	x
	x	x	x	x
	x	x	x	x
Sheep 6
Pre	v	v	v	v
0 Hours	v	v	v	v
3 Hours	v	v	v	v
Sheep 7
Pre	v	v	v	v
0 Hours	v	v	v	v
3 Hours	v	v	v	v
Total	14	15	16	15

Note:—Pre indicates data acquired before surgery; v, sets that were acquired as the protocol demanded and that were included in the evaluation; x, excluded datasets (The reasons are explained in the text) .
↵a Datasets acquired with CTP and calculated with the prototype software.
↵b Datasets acquired with CTP and calculated with the commercial software VPCT (Siemens).