Table 3: Statistical significance of abnormality detection of imaging methods.
Imaging methods compared | Fisher exact test for abnormality finding (P value) | Fisher exact test for affecting surgical plan (P value) |
Angiogram × CFD | 55% × 14% (0.015) | 27% × 14% (0.43) |
Angiogram × MRA | 55% × 49% (0.80) | 27% × 30% (1.0) |
Angiogram × CTA | 55% × 52% (1.0) | 27% × 42% (0.50) |
CFD × MRA | 14% × 49% (0.0034) | 14% × 30% (0.18) |
CFD × CTA | 14% × 52% (0.017) | 14% × 42% (0.077) |
CTA × MRA | 52% × 49% (0.81) | 42% × 30% (0.42) |
Statistically significant differences were found between the ability of CFD and MRA as well as CFD from CTA in their ability to identify arteriovascular abnormality in the lower extremity.
There was also statistically significant difference between CFD and CTA in the frequency at which their results affected the surgical plan.