| Question | Overall βyesβ | Teaching Hospitals (n = 39) | DGH (n = 61) | p value |
| 1) Is there a specialist thoracic radiologist? | 72% | 92% | 59% | 0.0002 |
| 2) Is there a lead clinician for ILD? | 41% | 59% | 34% | 0.0062 |
| 3) Do you have a local departmental protocol for HRCT scanning technique? | 95% | 95% | 97% | NS |
| 4) Do you routinely perform additional expiratory phase scans during HRCT? | 30% | 33% | 28% | NS |
| 5) Do you routinely perform HRCT in prone position ? | 32% | 26% | 36% | NS |
| 6) Do you use image
reconstruction routinely
? (only 44 responded) | 77% | 55% (n = 18) | 92% (n = 26) | NS |
| 7) Do you use discontinuous imaging protocol? | 42% | 41% | 43% | NS |
| 8) Do you use volume imaging protocol? | 27% | 21% | 31% | NS |
| 9) If you use volume CT do you use β Low Dose β Technique? | 48% | 54% | 44% | NS |