Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| Study | Population | Number of cases | Lung cancer mortality |
|---|---|---|---|
| NLST, US (2) | Age 55–74 years; >30 pack-years, current/former smokers with cessation ≤15 years | 53,454 | −20% |
| NELSON, EU (3) | Age 50–75 years; who had smoked ≥15 cig/d for ≥25 years or ≥10 cig/d for ≥30 years, current/former smokers with cessation ≤10 years | 15,792 | −26% |
| MILD, IT (4) | Age 49–75 years; ≥20 pack-years, current/former smokers with cessation ≤10 years | 4,099 | −39% |
