Accuracy measures of CE compared with the modality in the entire GI tract and per segmental analysis
| Segment | Test | Sensitivity % (95% CI) | Specificity % (95% CI) | PPV% (95% CI) | NPV% (95% CI) |
| Overall | CE (n=99) | 94 (86 to 98) | 74 (55 to 87) | 91 (82 to 96) | 83 (64 to 94) |
| MRE and/or IC (n=99) | 100 (95 to 100) | 22 (10 to 41) | 77 (68 to 85) | 100 (54 to 100) | |
| P value | 0.125 | 0.001 | – | – | |
| Proximal small bowel* | CE (n=98) | 97 (82 to 100) | 87 (76 to 93) | 77 (62 to 88) | 98 (90 to 100) |
| MRE (n=98) | 71 (53 to 84) | 66 (54 to 76) | 49 (35 to 63) | 83 (71 to 91) | |
| P value | 0.021 | 0.020 | – | – | |
| Terminal ileum | CE (n=90) | 94 (84 to 99) | 82 (66 to 91) | 88 (76 to 94) | 91 (76 to 98) |
| MRE and/or IC (n=90) | 98 (89 to 100) | 37 (23 to 53) | 68 (57 to 78) | 93 (68 to 100) | |
| P value | 0.625 | <0.001 | – | – | |
| CE (n=83) | 94 (82 to 98) | 81 (66 to 91) | 86 (74 to 93) | 91 (76 to 98) | |
| IC (n=83) | 89 (77 to 96) | 92 (78 to 98) | 93 (81 to 98) | 87 (73 to 95) | |
| P value | 0.688 | 0.289 | – | – | |
| CE (n=92) | 94 (84 to 99) | 82 (67 to 91) | 88 (76 to 94) | 91 (77 to 98) | |
| MRE (n=92) | 79 (66 to 88) | 44 (29 to 59) | 66 (53 to 76) | 61 (42 to 77) | |
| P value | 0.057 | 0.001 | – | – | |
| Colon | CE (n=88) | 83 (62 to 94) | 88 (77 to 94) | 70 (51 to 84) | 93 (84 to 98) |
| IC (n=88) | 91 (72 to 99) | 89 (79 to 95) | 75 (56 to 88) | 97 (88 to 100) | |
| P value | 0.500 | 1.00 | – | – |
CE, capsule endoscopy; GI, gastrointestinal; IC, ileocolonoscopy; MRE, magnetic resonance enterography; NPV, negative predictive value; PPV, positive predictive value.