| Indication for bronchoscopy | Bolus | Infusion | Total | p-value |
| Subjects n | 355 | 347 | 702 | |
| Suspicion of malignancy | 83 (23.4) | 93 (26.8) | 176 (25.1) | 0.296 |
| Interstitial lung disease | 29 (8.2) | 48 (13.8) | 77 (10.7) | 0.016 |
| Infection | 130 (36.6) | 107 (30.8) | 237 (33.8) | 0.105 |
| Chronic cough | 17 (4.8) | 9 (2.6) | 26 (3.7) | 0.124 |
| Haemoptysis | 5 (1.4) | 10 (2.9) | 15 (2.1) | 0.201 |
| Bronchial toilette | 35 (9.9) | 35 (10.1) | 70 (10.0) | 0.920 |
| Stenting | 10 (2.8) | 9 (2.6) | 19 (2.7) | 0.855 |
| Laser therapy | 5 (1.4) | 3 (0.9) | 8 (1.1) | 0.725 |
| Miscellaneous | 41 (11.5) | 32 (9.2) | 73 (10.4) | 0.312 |
| Diagnostic procedures | ||||
| Inspection only | 23 (6.5) | 23 (6.6) | 46 (6.6) | 1.000 |
| Bronchial washings | 99 (28.0) | 83 (23.9) | 182 (26.0) | 0.222 |
| BAL | 214 (60.3) | 212 (61.3) | 426 (60.8) | 0.788 |
| Bronchial brushing | 40 (11.3) | 46 (13.3) | 86 (12.3) | 0.430 |
| Endobronchial biopsy | 48 (13.5) | 56 (16.1) | 104 (14.8) | 0.329 |
| Transbronchial biopsy | 48 (13.5) | 72 (20.7) | 120 (17.1) | 0.011 |
| Mediastinal TBNA | 24 (6.8) | 36 (10.4) | 60 (8.5) | 0.087 |
| Peripheral TBNA | 15 (4.2) | 20 (5.8) | 35 (5.0) | 0.349 |
| EBUS | 24 (6.8) | 29 (8.4) | 53 (7.5) | 0.423 |
| Interventions | ||||
| Laser therapy | 6 (1.7) | 7 (2) | 13 (1.9) | 0.748 |
| Stenting | 12 (3.4) | 12 (3.5) | 24 (3.4) | 0.955 |
| Calypso implantation | 2 (0.6) | 2 (0.6) | 4 (0.6) | 0.982 |
| Valve implantation | 3 (0.8) | 4 (1.2) | 7 (1.0) | 0.682 |
| Number of procedures | ||||
| 1 | 203 (57.5) | 174 (50.3) | 377 (53.9) | |
| 2 | 79 (22.4) | 82 (23.7) | 161 (23.0) | 0.115 |
| ≥3 | 48 (13.6) | 67 (19.4) | 115 (16.5) |
Data are presented as n (%), unless otherwise stated. BAL: bronchoalveolar lavage; TBNA: transbronchial needle aspiration; EBUS: endobronchial ultrasound.