Table 1:
Patient demographics by scanner
Scanner 1 (Siemens)
Scanner 2 (Toshiba)
CTA Head
Routine Head
CTA Head
Routine Head
No. of patients
13
13
13
13
Female
6
4
11
7
Male
7
9
2
6
Mean age ± SD
67.6 ± 11.8
60.8 ± 15.6
59.3 ± 13.6
63.1 ± 21.6