Table 1.

Eligibility criteria used in lung cancer screening trials

Eligibility criteria
TrialAge, ySmoking history
NELSON50–74≥15 cigarettes/d for 25 y; or ≥10 cigarettes/d for at least 30 y; if former smokers, quitting time ≤10 y.
LUSI50–69≥15 cigarettes/d for at least 25 y; or ≥10 cigarettes/d for at least 30 y; if former smokers, quitting time ≤10 y.
DLCST50–69Pack-years ≥20; if former smokers, age at quitting >50 y and quitting time <10 y
ITALUNG55–69Pack-years ≥20 since the last 10 years; if former smokers, quitting time <10 y.
DANTE60–74Pack-years ≥20.
NLST55–74Pack-years ≥30; if former smokers, quitting time ≤15 y.