Table 4 Accuracy measures for recursive partitioning and expert opinion algorithms
Algorithm | Reference standard | Sensitivity% | Specificity% | PPV a% | NPV b% |
|---|---|---|---|---|---|
(95% CI) | (95% CI) | (95% CI) | (95% CI) | ||
Recursive partitioning with latent class outcome | Latent class indication | 84.5 | 63.3 | 65.4 | 83.3 |
(81.5-87.5) | (59.7-67.0) | (61.9-68.9) | (80.0-86.5) | ||
Recursive partitioning with endoscopist outcome | Endoscopist indication | 85.1 | 62.2 | 66.5 | 82.6 |
(82.2-88.0) | (58.5-66.0) | (63.1-70.0) | (79.2-85.9) | ||
El-Serag | Latent class indication | 49.2 | 82.0 | 69.1 | 66.4 |
(45.1-53.4) | (79.1-84.9) | (64.6-73.7) | (63.3-69.6) | ||
El-Serag | Endoscopist indication | 49.3 | 83.0 | 71.9 | 65.0 |
(45.2-53.4) | (80.2-85.9) | (67.5-76.3) | (61.8-68.3) |