Table 3.
Diagnosis by forceps biopsy and catheter aspiration cytology
| Forceps biopsy alone | Catheter aspiration alone | Combination of forceps biopsy and catheter aspiration | P value | |
|---|---|---|---|---|
| Overall | 75.9 (619/815) | 90.1 (734/815) | 92.8 (756/815) | < 0.001 |
| Endobronchoscopic appearance | ||||
| Tumor | 94.9 (281/296) | 94.2 (279/296) | 99.7 (295/296) | 0.001 |
| Infiltration | 85.2 (132/155) | 96.1 (146/155) | 96.1 (149/155) | 0.001 |
| Necrotic | 89.8 (44/49) | 98.0 (48/49) | 100.0 (49/49) | 0.030 |
| Compression | 69.2 (69/101) | 88.1 (89/101) | 90.1 (91/101) | < 0.001 |
| Nonspecific | 52.1 (41/79) | 87.3 (69/79) | 87.3 (69/79) | < 0.001 |
| Normal | 38.5 (52/135) | 76.3 (103/135) | 76.3 (103/135) | < 0.001 |
| Bronchoscopic morphology | ||||
| Endobronchial lesions | 91.4 (457/500) | 94.6 (473/500) | 98.6 (493/500) | < 0.001 |
| Peribronchial lesions | 51.4 (162/315) | 82.8 (261/315) | 83.5 (263/315) | < 0.001 |
| Sampling site | ||||
| Centrally located | 80.8 (557/689) | 92.5 (637/689) | 95.9 (660/689) | < 0.001 |
| Peripherally located | 49.2 (62/126) | 76.7 (97/126) | 76.7 (97/126) | < 0.001 |
Note: Data are presented as the number of positive samples/all samples (%).