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Patients eligible and referred for lung cancer screening (LCS) may not complete the visit. We aimed to identify differences in demographic, clinical, and socioeconomic characteristics between LCS participants and LCS-eligible nonparticipants and determine potential reasons for nonparticipation.

LCS-eligible patients referred between April 2015 and August 2016 were divided into participants and nonparticipants. Retrospective data were collected. A telephone survey was conducted in a subset of nonparticipants to identify reasons for not participating and assess their understanding of the benefits and harms of LCS.

We identified 542 participants and 276 LCS-eligible nonparticipants. Female sex, lower pack-years, active smoking, the absence of a history of chronic obstructive pulmonary disease, coronary artery disease, or liver disease, and chronic kidney disease or a …