Table 2.
Yield of Multiphase Computed Tomographic Enterography Stratified by Clinical Bleeding Pattern and Patient Agea,b
|
Yield |
Overall (N=1087) | Subgrouped by clinical bleeding pattern |
Subgrouped by age |
|||
|---|---|---|---|---|---|---|
| Overt small bowel bleeding (n=486) | Occult small bowel bleeding with heme-positive stool (n=187) | Occult small bowel bleeding with iron-deficiency anemia (n=414) | <40 y (n=86) | ≥40 y (n=1001) | ||
| All | 344 (31.7) | 170 (35.0) | 66 (35.3) | 108 (26.1) | 26 (30.2) | 318 (31.8) |
| SB inflammation | 52 (15.1) | 13 (7.7) | 13 (19.7) | 26 (24.1) | 5 (19.2) | 47 (14.8) |
| SB mass | 72 (20.9) | 40 (23.5) | 14 (21.2) | 18 (16.7) | 6 (23.1) | 66 (20.8) |
| SB vascular | 124 (36.1) | 64 (37.7) | 23 (34.9) | 37 (34.3) | 11 (42.3) | 113 (35.5) |
| SB hemorrhage | 7 (2.0) | 4 (2.4) | 2 (3.0) | 1 (0.9) | NA | 7 (2.2) |
| Other lesions | 89 (25.9) | 49 (28.8) | 14 (21.2) | 26 (24.1) | 4 (15.4) | 85 (26.7) |
a
NA = not available; SB = small bowel.
b
Data are presented as No. (percentage) of patients.