P values from the assessment of TTP, peak opacification, and AUC differences when comparing injection protocols: variable rate and duration with constant volume*
| TTP Capillary | TTP Arterial | TTP Venous | Peak Capillary | Peak Arterial | Peak Venous | AUC Capillary | AUC Arterial | AUC Venous | |
|---|---|---|---|---|---|---|---|---|---|
| Overall | .0496 | .1288 | .0444 | .0128 | .0282 | .0805 | .0418 | .2567 | .0956 |
| 1–2 mL/s | .0483 | .0075 | .9195 | .2043 | .1035 | ||||
| 1–4 mL/s | .0291 | .0644 | .0171 | .0057 | .2754 | ||||
| 1–8 mL/s | .0108 | .0371 | .0174 | .0229 | .3659 | ||||
| 2–4 mL/s | .8036 | .3116 | .0137 | .0854 | .0109 | ||||
| 2–8 mL/s | .4775 | .4571 | .0140 | .2575 | .0165 | ||||
| 4–8 mL/s | .6419 | .7819 | .9934 | .5236 | .8458 |
* P values for paired contrasts were not calculated if no overall significant difference of the group was observed.