LDCT vs CXR |
| 12.3 | 53 454 | Age 55-74 y ≥ 30 pack-years smoking ≤ 15 y since quitting
| 3 annual scans | | |
LDCT vs no screening |
| > 10 | 13 195 men, 2594 women | | 4 scans (at 0, 1, 3, and 5.5 y) | RR = 0.76 for men RR = 0.67 for women
| NA |
| > 10 | 4099 | Age 49-75 y ≥ 20 pack-years smoking ≤ 10 y since quitting
| 10 annual scans or 5 biennial scans | | |
| 8.8 | 4052 | | 5 annual scans | HR = 0.74 (95% CI 0.46-1.19) HR = 0.94 (95% CI 0.54-1.61) for men HR = 0.31 (95% CI 0.10-0.96) for women
| |