Table 4.
Diagnostic performance of EBUS in the different groups.
| EBUS | Overall | Group 1 | Group 2 | Group 3 | Group 4 | Group 5 |
|---|---|---|---|---|---|---|
| Total | 1891 | 728 | 401 | 320 | 290 | 152 |
| True negative | 441 | 193 | 6 | 97 | 25 | 120 |
| False negative | 121 | 50 | 6 | 17 | 24 | 24 |
| True positive | 1329 | 485 | 389 | 206 | 241 | 8 |
| Performance | % (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) |
| Sensitivity | 91.7 (90.1–93.0) | 90.7 (87.9–92.8) | 98.5 (96.7–99.3) | 92.4 (88.1–95.2) | 90.9 (86.9–93.8) | 25.0 (13.3–42.1) |
| Specificity | 100 (99.1–100) | 100 (98.0–100) | 100 (61.0–100) | 100 (96.2–100) | 100 (86.7–100) | 100 (96.9–100) |
| PPV | 100 (99.7–100) | 100 (99.2–100) | 100 (99.0–100.) | 100 (98.2–100) | 100 (98.4–100) | 100 (67.6–100) |
| NPV | 78.5 (74.9–81.7) | 79.4 (73.9–84.0) | 50.0 (25.4–74.6) | 85.1 (77.4–90.5) | 51.0 (37.5–64.4) | 83.3 (76.4–88.5) |
| Accuracy | 93.6 (92.4–94.6) | 93.1 (91.1–94.8) | 98.5 (96.8–99.3) | 94.7 (91.7–96.7) | 91.7 (88.0–94.4) | 84.2 (77.6–89.2) |