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Screening round characteristics
| N=5835 | |
|---|---|
| Site | |
| Academic 1 | 3882 (67%) |
| Academic 2 | 1719 (29%) |
| Community | 234 (4%) |
|
| |
| Baseline scan | 1690 (30%) |
|
| |
| Emphysema on CT | 2944 (50%) |
|
| |
| Lung-RADS | |
| 0 | 8 (0.001%) |
| 1 | 1505 (26%) |
| 2 | 3417 (59%) |
| 3 | 517 (9%) |
| 4A | 233 (4%) |
| 4B | 86 (1%) |
| 4X | 69 (1%) |
|
| |
| Lung cancer diagnosed within 1 year | 142 (2%) |
|
| |
| Sensitivity | 139/142 (98%) |
|
| |
| Specificity | 4928/5693 (87%) |
|
| |
| Radiologist annual volume, median (range) | 55 (1 – 197) |
|
| |
| Radiologist experience, median (range), years | 16 (0 – 45) |
