Total cost of diagnostic investigations for each group based on a CT scan rate before fibreoptic bronchoscopy (FOB) in group A of 100% and a projected CT scan rate after bronchoscopy in group B of 60%
| Tests | Group A (n = 90) |
Group B (n = 81) | Cost (£) |
Total cost (group A) |
Total cost (group B) |
| FOB | 68 | 81 | 387 | 26 316 | 31 347 |
| CT thorax | 90 | 48 | 121 | 10 890 | 5 808 |
| CT guided biopsy | 14 | 10 | 297 | 4 158 | 2 970 |
| Mediastinoscopy | 2 | 0 | 1009 | 2 018 | |
| Rigid bronchoscopy | 1 | 1 | 1009 | 1 009 | 1 009 |
| Liver biopsy | 1 | 0 | 53 | 53 | |
| Thoracoscopic biopsy | 2 | 2 | 1009 | 2 018 | 2 018 |
| Pleural biopsy | 1 | 2 | 53 | 53 | 106 |
| Supraglottic biopsy | 1 | 0 | 459 | 459 | — |
| Axillary node biopsy | 1 | 0 | 260 | 260 | |
| Total cost (£) | 47 234 | 43 258 | |||
| Cost per patient (£) | 525 | 534 | |||