Table 1.
Studies comparing diagnostic yield of capsule endoscopy with push enteroscopy and radiology for small bowel disease
| Study country | No of patients | P value* | Comparator and diagnostic yield | Yield of capsule endoscopy |
|---|---|---|---|---|
| Italy1 |
20 |
<0.05 |
Barium follow through 20% (5% for OGB) |
45% (31% for OGB) |
| Germany2 |
32 |
<0.0001 |
PE 28% |
66% |
| United Kingdom3 |
50 |
<0.05 |
PE 32% |
66% |
| France4 |
58 |
0.04 |
PE 38% |
69% |
| Germany5 |
33 |
PE 21% |
76% |
|
| Belgium6 |
21 |
PE 52% |
61% |
|
| Spain7 |
42 |
0.05 |
PE 19% |
74% |
| United States8 |
20 |
0.06 |
PE 30% |
55% |
| Germany9 |
22 |
0.12 |
CT enterolysis 36% |
59% |
| United States10 |
52 |
<0.001 |
SB follow through 3% |
55% |
| 0.02 |
Contrast CT 21 |
63% |
||
| United States11 | 20 | PE 25% | 70% |
PE=push enteroscopy; OGB=obscure gastrointestinal bleeding; SB=small bowel; CT=computed tomography.
*
For comparison of positive diagnosis rate between capsule endoscopy and the comparator—that is, push enteroscopy, CT enteroclysis, etc.