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Performance of Lung-RADS in the National Lung Screening Trial: A Retrospective Assessment

Open access
Pinsky, Paul F., Gierada, David S., Black, William, Munden, Reginald, Nath, Hrudaya, Aberle, Denise, Kazerooni, Ella·2015·Annals of Internal Medicine

Abstract

BACKGROUND: Lung cancer screening with low-dose computed tomography (LDCT) has been recommended, based primarily on the results of the NLST (National Lung Screening Trial). The American College of Radiology recently released Lung-RADS, a classification system for LDCT lung cancer screening. OBJECTIVE: To retrospectively apply the Lung-RADS criteria to the NLST. DESIGN: Secondary analysis of a group from a randomized trial. SETTING: 33 U.S. screening centers. PATIENTS: Participants were randomly assigned to the LDCT group of the NLST, were aged 55 to 74 years, had at least a 30-pack-year history of smoking, and were current smokers or had quit within the past 15 years. INTERVENTION: 3 annual LDCT lung cancer screenings. MEASUREMENTS: Lung-RADS classifications for LDCT screenings. Lung-RADS categories 1 to 2 constitute negative screening results, and categories 3 to 4 constitute positive results. RESULTS: Of 26 722 LDCT group participants, 26 455 received a baseline screening; 48 671 screenings were done after baseline. At baseline, the false-positive result rate (1 minus the specificity rate) for Lung-RADS was 12.8% (95% CI, 12.4% to 13.2%) versus 26.6% (CI, 26.1% to 27.1%) for the NLST; after baseline, the false-positive result rate was 5.3% (CI, 5.1% to 5.5%) for Lung-RADS versus 21.8% (CI, 21.4% to 22.2%) for the NLST. Baseline sensitivity was 84.9% (CI, 80.8% to 89.0%) for Lung-RADS versus 93.5% (CI, 90.7% to 96.3%) for the NLST, and sensitivity after baseline was 78.6% (CI, 74.6% to 82.6%) for Lung-RADS versus 93.8% (CI, 91.4% to 96.1%) for the NLST. LIMITATION: Lung-RADS criteria were applied retrospectively. CONCLUSION: Lung-RADS may substantially reduce the false-positive result rate; however, sensitivity is also decreased. The effect of using Lung-RADS criteria in clinical practice must be carefully studied. PRIMARY FUNDING SOURCE: National Institutes of Health.

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Metadata

Authors
Pinsky, P. F., Gierada, D. S., Black, W., Munden, R., Nath, H., Aberle, D., & Kazerooni, E.
Venue
Annals of Internal Medicine
Published
2015-04-07
Volume
162
Issue
7
Pages
485-491
ISSN
  • 0003-4819 (ISSN-L)
  • 1539-3704
OpenAlex
W2046189285
Cited by
508
References
11
FWCI
30.92
Type
journal article
Language
en
Open access
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CoChat. (2026). Citation check: Performance of Lung-RADS in the National Lung Screening Trial: A Retrospective Assessment. https://app.cochat.ai/papers/10.7326/m14-2086
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Pinsky, P. F., Gierada, D. S., Black, W., Munden, R., Nath, H., Aberle, D., & Kazerooni, E. (2015). Performance of Lung-RADS in the National Lung Screening Trial: A Retrospective Assessment. Annals of Internal Medicine. https://doi.org/10.7326/m14-2086

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