Table 5 Diagnostic yield of different combinations of sampling techniques
The result of the first two sampling techniques in the combination | The result of all sampling techniques performed | The result of the first sampling technique (1) | The result of the second sampling technique (2) | ||||
|---|---|---|---|---|---|---|---|
DY (%) | DY (%) | p | DY (%) | p | DY (%) | p | |
Non-visible lesion/compression or constriction: | |||||||
Biopsy(1) and TBNA(2) | 26/48 (54.2) | 27/48 (56.3) | NS | 20/48 (41.7) | 0.03 | 16/48 (33.3) | 0.002 |
Biopsy(1) and Brushing(2) | 18/42 (42.9) | 20/42 (47.6) | NS | 14/42 (33.3) | NS | 9/42 (21.4) | 0.004 |
TBNA(1) and Brushing(2) | 16/51 (31.4) | 21/51 (41.2) | 0.06 | 11/51 (21.6) | 0.06 | 10/51 (19.6) | 0.03 |
Endobronchial visible lesion: | |||||||
Biopsy(1) and TBNA(2) | 72/86 (83.7) | 73/86 (84.9) | NS | 65/86 (75.6) | 0.02 | 50/86 (58.1) | < 0.001 |
Biopsy(1) and Brushing(2) | 37/46 (80.4) | 39/46 (84.8) | NS | 34/46 (73.9) | NS | 23/46 (50.0) | < 0.001 |
TBNA(1) and Brushing(2) | 30/47 (63.8) | 39/47 (83.0) | 0.004 | 27/47 (57.4) | NS | 22/47 (46.8) | 0.008 |