Performance of investigational methods in detecting small bowel Crohn’s disease in patients with previously established diagnosis Crohn’s disease and with suspected Crohn’s disease
| Enteroclysis | MRI | CE | |
|---|---|---|---|
| CD, Crohn’s disease; MRI, magnetic resonance imaging; CE, capsule endoscopy; PPV, positive predictive value; NPV, negative predictive value. | |||
| Established CD | |||
| Findings | 16 | 22 | 13 |
| Normal | 8 | 3 | 1 |
| Detection rate (%) | 67 | 88 | 93 |
| Drop-out | 3 | 2 | 13 |
| Total | 27 | 27 | 27 |
| Suspected CD | |||
| True positive | 4 | 10 | 12 |
| False positive | 0 | 2 | 0 |
| True negative | 6 | 8 | 11 |
| False negative | 6 | 4 | 1 |
| PPV (%) | 100 | 83 | 100 |
| NPV (%) | 50 | 66 | 92 |
| Drop-out | 9 | 1 | 1 |
| Total | 25 | 25 | 25 |