Research Article
Accuracy of Colon Capsule Endoscopy for Colorectal Neoplasia Detection in Individuals Referred for a Screening Colonoscopy
Table 3
Accuracy of CCE2 in colorectal neoplasia detection (per-patient analysis, intention-to-screen group,
).
| | Colonoscopy | Colonic capsule | | Prevalence (number; proportion) | Sensitivity (number of matching outcomes; proportion among CC+; CI) | Specificity (number of matching outcomes; proportion among CC-; CI) |
| | Polyp | 114 | 51% | 94 | 82% | CI: 74-89% | 96 | 86% | CI: 79-92% | | ≥6 mm | 34 | 15% | 27 | 79% | CI: 62-91% | 186 | 97% | CI: 94-99% | | ≥10 mm | 16 | 7% | 14 | 88% | CI: 62-98% | 207 | 99% | CI: 97-100% | | Adenoma | 59 | 26% | 48 | 81% | CI: 69-90% | — | — | — | | ≥10 mm | 11 | 5% | 11 | 100% | CI: 72-100% | 210 | 98% | CI: 95-99% | | Carcinoma | 2 | 1% | 2 | 100% | — | 223 | 100% | — |
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CCE2: second generation of colon capsule endoscopy; CI: 95% confidence interval.
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