Table 4:
Contrast Material Concentration & System | Score for Image Quality |
Mean ± SD | P* | ||||
---|---|---|---|---|---|---|---|
5 | 4 | 3 | 2 | 1 | |||
300 mg I/mL | |||||||
FPD (n = 11) | 4 | 2 | 3 | 2 | 0 | 3.73 ± 1.19 | <.01 |
I.I. (n = 1) | 0 | 3 | 1 | 3 | 4 | 2.27 ± 1.27 | |
150 mg I/mL | |||||||
FPD (n = 1) | 1 | 4 | 3 | 2 | 1 | 3.18 ± 1.17 | <.01 |
I.I. (n = 1) | 0 | 1 | 3 | 3 | 4 | 2.09 ± 1.04 |
Note:—FPD indicates flat panel detector; I.I., image intensifier. Scale: 5, excellent; 4, more than adequate; 3, adequate; 2, insufficient visualization; 1, not visible.
Wilcoxon signed rank test.