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Research Letter
February 24, 2015

Trends in the Proportion of Patients With Lung Cancer Meeting Screening Criteria

Author Affiliations
  • 1Division of Epidemiology, Mayo Clinic, Rochester, Minnesota
  • 2Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, Minnesota
  • 3Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota
  • 4Dr Wang is now with the Division of Preventive Medicine, Wenzhou Medical University, Wenzhou, China.
JAMA. 2015;313(8):853-855. doi:10.1001/jama.2015.413

Lung cancer screening using low-dose computed tomography is recommended for high-risk individuals by professional associations, including the US Preventive Services Task Force (USPSTF).1 The implications of the USPSTF screening criteria were investigated in a well-defined population retrospectively over 28 years to demonstrate trends in the proportion of patients with lung cancer meeting the criteria.

The cohort contained all Olmsted County, Minnesota, residents older than 20 years from 1984 through 2011, comprising approximately 140 000 people, of whom 83% were non-Hispanic white and socioeconomically similar to the Midwestern US population.2 All pathologically confirmed incident cases of primary lung cancer were identified using the Rochester Epidemiology Project database; the project has maintained a comprehensive medical records linkage system for more than 60 years based on hospital adaptation of the International Classification of Diseases and International Classification of Diseases, Ninth Revision, codes.2,3 Patient characteristics were extracted with minimal missing data or loss to follow up.3 This study was approved by the Mayo Clinic and Olmsted Medical Center institutional review boards with a waiver of informed consent.