Differences in prevalence of a TRFC between proximal and distal regions
| Longitudinal Distance from Section with Narrowest Lumen (mm) | No. of Slices Where Proximal and Distal Sections Are Available | TRFC (No.) (%) Proximal Region | TRFC (No.) (%) Distal Region | P Value |
|---|---|---|---|---|
| 2 | 63 | 28 (33.7) | 15 (18.1) | .007 |
| 4 | 56 | 30 (36.1) | 6 (7.2) | <.001 |
| 6 | 43 | 28 (33.7) | 2 (2.4) | .001 |
| 8 | 38 | 25 (30.1) | 3 (3.6) | .022 |
| 10 | 33 | 16 (19.3) | 0 (0) | 1.0 |