Table 1 Location and spread parameters of distribution of differences in stenosis measurements [p-values from Student’s t-test and Wilcoxon rank sum test (in parenthesis)]
All stenosis | Stenosis 50–69% | Stenosis 70–99% | |||||||
|---|---|---|---|---|---|---|---|---|---|
Mean (SD) | Median (IQR) | p-value | Mean (SD) | Median (IQR) | p-value | Mean (SD) | Median (IQR) | p-value | |
CDUS − CTA (area) | −0.4 (11.8) | 0 (−5, 5) | 0.68 (0.33) | −4.5 (10.1) | −2.5 (−12.5, 0) | 0.005 (0.004) | 2.1 (12.0) | 0 (−5, 10) | 0.14 (0.22) |
CDUS −CTA (diameter) | 20.7 (14.2) | 22 (10, 28) | < 0.001 (<0.001) | 17.3 (9.9) | 20 (10,24) | < 0.001 (<0.001) | 22.9 (16.0) | 25 (20, 32) | < 0.001 (<0.001) |
CTA (area) − CTA(diameter) | 21.2 (7.1) | 24 (20, 25) | < 0.001 (<0.001) | 21.7 (4.5) | 23 (20,25) | < 0.001 (<0.001) | 20.8 (8.4) | 24 (18, 25) | < 0.001 (<0.001) |