Diagnostic values of procedures in the detection of mediastinal metastasis
| Group A: EBUS-centred (n=74) | Group B: EUS-centred (n=74) | p Value | |
|---|---|---|---|
| Diagnostic accuracy, % (n/n) | 93.2 (69/74) (87.5 to 99.0) | 97.3 (72/74) (93.6 to 101.0) | 0.245 |
| Accuracy of first procedure*, % (n/n) | 91.9 (68/74) (85.7 to 98.1) | 86.5 (64/74) (78.7 to 94.3) | 0.290 |
| p Value | 0.754 | 0.016 | |
| Sensitivity, % (n/n) | 85.3 (29/34) (68.9 to 95.0) | 92.0 (23/25) (74.0 to 99.0) | 0.431 |
| Sensitivity of first procedure, % (n/n) | 82.4 (28/34) (65.5 to 93.2) | 60.0 (15/25) (38.7 to 78.9) | 0.056 |
| p Value | 0.742 | 0.008 | |
| NPV, % (n/n) | 88.9 (40/45) (75.9 to 96.3) | 96.1 (49/51) (86.5 to 99.5) | 0.176 |
| NPV of first procedure, % (n/n) | 87.0 (40/46) (73.7 to 95.1) | 83.1 (49/59) (71.0 to 91.6) | 0.581 |
| p Value | 0.777 | 0.029 |
Data shown as (n/n) (95% CI).
*First procedure: EBUS in Group A; EUS in Group B.
EBUS, endobronchial ultrasound; EUS, endoscopic ultrasound; NPV, negative predictive value.