Observational Study on Actual Cancer Screening Participation and Outcomes Among Patients with Lung Cancer Based on Linkage of Cancer Registry and Kyoto City Integrated Database Data from 2014 to 2018

Tomonari Shimamoto, Yukiko Tateyama, Daisuke Kobayashi, Keiichi Yamamoto, Norihiro Nishioka, Yoshimitsu Takahashi, Hiroaki Ueshima, Kosuke Sasaki, Kosuke Kiyohara, Takeo Nakayama and Taku Iwami ()
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Tomonari Shimamoto: Department of Preventive Services, School of Public Health, Kyoto University, Kyoto 606-8501, Japan
Yukiko Tateyama: Department of Preventive Services, School of Public Health, Kyoto University, Kyoto 606-8501, Japan
Daisuke Kobayashi: Medical Service Center, Ritsumeikan University, Kyoto 603-8577, Japan
Keiichi Yamamoto: Translational Research Institute for Medical Innovation, Osaka Dental University, Osaka 573-1121, Japan
Norihiro Nishioka: Department of Preventive Services, School of Public Health, Kyoto University, Kyoto 606-8501, Japan
Yoshimitsu Takahashi: Department of Implementation Science in Public Health, School of Public Health, Kyoto University, Kyoto 606-8501, Japan
Hiroaki Ueshima: Center for Innovative Research and Education in Data Science, Institute for Liberal Arts and Sciences, Kyoto University, Kyoto 606-8315, Japan
Kosuke Sasaki: Department of Health Informatics, School of Public Health, Kyoto University, Kyoto 606-8501, Japan
Kosuke Kiyohara: Department of Food Science, Otsuma Women’s University, Tokyo 102-8357, Japan
Takeo Nakayama: Department of Health Informatics, School of Public Health, Kyoto University, Kyoto 606-8501, Japan
Taku Iwami: Department of Preventive Services, School of Public Health, Kyoto University, Kyoto 606-8501, Japan

IJERPH, 2025, vol. 22, issue 10, 1-11

Abstract: Background: Lung cancer is a major cause of death. Japan has a higher rate of early detection of lung cancer, which is attributed to the impact of chest X-ray examinations implemented as mass screening. This study describes the characteristics and outcomes of patients with lung cancer in Japan, where chest X-ray screening is recommended for everyone aged >40 years old. Methods: This observational study linked the Kyoto City Integrated Database with data from a nationwide cancer registry in Japan. This study assessed individuals aged ≥65 years diagnosed with primary lung cancer between 2014 and 2018. Patients were categorized into the screened or unscreened groups based on their screening history within 1 year before diagnosis. Results: Of 4473 patients with lung cancer, 231 were included in the screened group. The screened group had a mortality rate of 25% at 1.7 years and 50% at 5.6 years, versus 25% at 0.5 years and 50% at 1.8 years for the unscreened group. Conclusions: Patients with primary lung cancer who underwent lung cancer screening had longer survival and better overall health at diagnosis than those who did not undergo screening. Further study is required to estimate the effectiveness of chest X-ray lung cancer screening.

Keywords: lung cancer; mass screening; chest X-ray; administrative data (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2025
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