Summary of the statistical results and implications obtained by comparison of the vessel AUC measured in the clinical dataa
| Comparison | Test Applied | P Value | Implication |
|---|---|---|---|
| Vein B1 vs vein B2 | Wilcoxon SRT | .941 | No difference in VOFs between protocols B1 and B2 |
| Vein A1 vs vein B2 | Wilcoxon SRT | <.001 | VOFs significantly different (stronger PVE) with clinical standard protocol A1 compared with protocol B2 |
| ICA B1 vs ICA B2 | Wilcoxon SRT | .211 | No significant difference in ICA AIF between protocols B1 and B2 |
| ICA A1 vs ICA B1 | Wilcoxon SRT | <.001 | ICA AIFs significantly different (stronger PVE) with clinical standard A1 compared with protocol B1 |
| MCA A1 vs MCA B1, B2 | Friedman | <.001 | AIFs in MCA significantly different in all protocols |
| Small A1 vs small B1, B2 | Friedman | <.001 | AIFs in small vessels significantly different in all protocols |
| MCA B2 vs ICA B2 | Mann-Whitney | .519 | No significant difference in MCA and ICA when protocol B2 is applied |
| ICA A1, A2, B2 | Mann-Whitney | <.001 | VOF significantly lower than ICA for all protocols |
| VOF A1, A2, B2 | |||
| Clinical results vs phantom results | Mann-Whitney | .49 | PVE results from clinical data correlate with head phantom |
↵a A P value of .05 was considered significant for all tests.