Group A (n = 90) |
Group B (n = 81) | p value | |
No invasive investigations | 6/90 (7%) | N/A | |
Diagnostic FOB | 50/68 (73%) | 44/81 (54%) | 0.015 |
Diagnostic CT biopsy | 10/12 (83%) | N/A | |
Other diagnostic investigation | 4/4 (100%) | N/A | |
Diagnosis made on initial invasive investigation | 64/84 (76%) | 45/81 (55%) | 0.005 |