Differences in mean IPH area (% of total vessel wall) between proximal and distal regions
| Longitudinal Distance from Section with Smallest Lumen (mm) | No. of Slices Where Proximal and Distal Sections Are Available | Mean % IPH with Respect to Total Vessel Wall Area in the Proximal Region | Mean % IPH with Respect to Total Vessel Wall Area in the Distal Region | P Value |
|---|---|---|---|---|
| 2 | 66 | 14.4 (SD, 1.9) | 9.6 (SD, 2.1) | .040 |
| 4 | 59 | 14.7 (SD, 1.7) | 5.4 (SD, 1.8) | <.001 |
| 6 | 45 | 11.1 (SD, 1.6) | 2.2 (SD, 1.3) | .001 |
| 8 | 39 | 7.5 (SD, 1.5) | 2.2 (SD, 1.5) | .056 |
| 10 | 34 | 5.0 (SD, 1.4) | 1.1 (SD, 1) | .077 |