Table 2:
Characteristics of 69 ulcers detected by CE-MRA by reader 1 and TOF-MRA ulcer-detection percent for each characteristic
| Characteristics | Detected by CE-MRAa | Detected by TOF-MRAb (among Those Detected by CE-MRA) |
|---|---|---|
| IQ score | ||
| 1 | 28 (41) | 18 (64) |
| 2 | 41 (59) | 27 (66) |
| Ulcer orientationc | ||
| Perpendicular | 47 (68) | 28 (60) |
| Distally pointing | 16 (23) | 15 (94) |
| Proximally pointing | 6 (9) | 2 (33) |
| Ulcer location relative to point of maximum stenosisc | ||
| Proximal | 36 (52) | 26 (72) |
| Isolevel | 14 (20) | 5 (36) |
| Distal | 19 (28) | 14 (74) |
| Ulcer location relative to FD | ||
| Proximal | 18 (26) | 13 (72) |
| Isolevel | 28 (41) | 19 (68) |
| Distal | 23 (33) | 13 (57) |
| Ulcer circumferential location | ||
| Opposite FD | 44 (64) | 29 (66) |
| Along FD | 0 (0) | 0 (N/A) |
| On sidewalls | 25 (36) | 16 (64) |
| Ulcer neck-to-depth ratioc | 1.61 (0.56) | 1.71 (0.57) |
| Ulcer volume index (mm3)c | 67.63 (66.50) | 81.83 (75.09) |
| Degree of stenosis (%)c | 27.16 (18.06) | 23.4 (16.10) |
a
Data are presented as number of ulcers (% of 69) or mean (SD).
b
Data are presented as number of ulcers (% in category) or mean (SD).
c
P < .05 in univariable regression model.