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Table 2: 
The influence of the pseudostenosis artifacts on the aneurysm depiction
Contrast Material Concentration & SystemScore for Image QualityMean ± SDP*
4321
300 mg I/mL
    FPD (n = 32)245303.66 ± 0.65<.01
    I.I. (n = 32)202553.16 ± 1.19
150 mg I/mL
    FPD (n = 32)282203.81 ± 0.54<.01
    I.I. (n = 32)213533.31 ± 1.06
  • Note:—FPD indicates flat panel detector; I.I., image intensifier. Scale: 4, no influence; 3, minor distortion of aneurysm; 2, marked distortion of aneurysm; 1, severe distortion of aneurysm.
  • * Wilcoxon signed rank test.