Table 4 Effects of the CT examination parameters and evaluation technique on the quantitative measurements with the obtained p-values stated in parentheses
Blood flow | Blood volume | Permeability | |
|---|---|---|---|
Effects on quantitative measurements | |||
Amount of contrast agent | ✔ (0.0422) | ✘ (0.6681) | ✘ (0.5636) |
Amount of iodine | ✘ (0.9605) | ✘ (0.3591) | ✘ (0.5063) |
Total amount of iodine | ✘ (0.0767) | ✘ (0.7626) | ✘ (0.5480) |
Injection rate | ✔ (0.0150) | ✘ (0.4055) | ✘ (0.3556) |
Effective dose | ✘ (0.7755) | ✘ (0.1162) | ✘ (0.3293) |
Anatomical coverage | ✘ (0.5885) | ✘ (0.1600) | ✘ (0.6122) |
Tube potential | ✘ (0.5329) | ✘ (0.1386) | ✘ (0.5088) |
Tube current–time product | ✘ (0.5742) | ✔ (0.0152) | ✘ (0.6112) |
Lowest temporal sampling | ✘ (0.2455) | ✘ (0.1390) | ✘ (0.9258) |
Highest temporal sampling | ✘ (0.0811) | ✔ (0.0348) | ✘ (0.6057) |
Slice thickness | ✘ (0.0960) | ✘ (0.3996) | ✘ (0.6851) |
Total acquisition time | ✘ (0.9281) | ✘ (0.5947) | ✘ (0.3858) |
Use of variable temporal sampling | ✘ (0.1041) | ✔ (0.0078) | ✘ (0.9196) |
Use of saline flush | ✔ (0.0067) | ✘ (0.4341) | ✘ (0.9693) |
Perfusion model | ✘ (0.1619) | ✘ (0.2880) | ✘ (0.3007) |