| CT Angiography | Conventional Angiography |
| 12 non-bronchial arteries were considered as abnormal | 10 non-bronchial arteries were found to be responsible for hemoptysis (all these were prospectively identified as abnormal in MDCTA) |
| 2 non-bronchial arteries that were found abnormal in MDCTA were not regarded as causing hemoptysis at angiography |