| All patients % (n, 95%CI) | Upper GI % (n, 95%CI) | Lower GI % (n, 95%CI) |
---|---|---|---|
Sensitivity | 97.6 (40/41, 87.4–99.6) | 100 (23/23, 85.7–100) | 94.4 (17/18, 74.2–99.0) |
Specificity | 100 (4/4, 51.0–100) | 100 (2/2, 34.2–100) | 100 (2/2, 34.2–100) |
PPV | 100 (40/40, 91.2–100) | 100 (23/23, 85.7–100) | 100 (17/17, 81.2–100) |
NPV | 80.0 (4/5, 37.6–96.4) | 100 (2/2, 34.2–100) | 66.7 (2/3, 20.8–93.9) |
Accuracy | 97.8 (44/45, 88.4–99.6) | 100 (25/25, 86.7–100) | 95.0 (19/20, 76.4–99.1) |