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Descriptive study of chest x-ray examination in mandatory annual health examinations at the workplace in Japan
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Descriptive study of chest x-ray examination in mandatory annual health examinations at the workplace in Japan
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Journal Article
Descriptive study of chest x-ray examination in mandatory annual health examinations at the workplace in Japan
2022
Overview
The utility of chest x-ray examination (CXR) in mandatory annual health examinations for occupational health is debatable in Japan. This study aimed to provide basic data to consider future policies for mandatory annual health examinations in the workplace. A nationwide descriptive survey was performed to determine the rate of detection of tuberculosis, lung cancer, and other diseases through CXR in organizations associated with National Federation of Industrial Health Association. The rate of finding on CXR conducted during annual health examinations in FY2016 was evaluated. Data regarding diagnosis based on follow-up examination findings were obtained and compared with the national statistics. In addition, CXR findings were compared with the results of low-dose lung computed tomography performed at the Hitachi Health Care Center. From 121 surveyed institutions, 88 institutions with 8,669,403 workers were included. For all ages, 1.0% of examinees required follow-up examination. Among 4,764,985 workers with diagnosis data, the tuberculosis detection rate was 1.8–5.3 per 100,000 persons. For Lung cancer, 3,688,396 workers were surveyed, and 334 positive cases were detected. The lung cancer detection rate using CXR was 9.1–24.4 per 100,000 persons. From 164 cases with information regarding the clinical stage, 72 (43.9%) had Stage I lung cancer. From 40,045 workers who underwent low-dose computed tomography multiple times, 31 lung cancer cases, all with Stage I disease, were detected (detection rate: 77.4 per 100,000 persons). Our findings suggest that CXR plays a little role in the detection of active tuberculosis. With regard to LC screening, the detection rate of LC by CXR was lower, approximately 50%, than the expected rate (41.0 per 100,000 persons) of LC morbidity based on the age–sex distribution of this study population. However, the role of CXR for LC screening cannot be mentioned based on this result, because assessment of mortality reduction is essential to evaluate the role.
Publisher
Public Library of Science,Public Library of Science (PLoS)
Subject
/ Aged
/ Chest
/ Female
/ Humans
/ Lung Neoplasms - diagnostic imaging
/ Lung Neoplasms - epidemiology
/ Male
/ Medicine and Health Sciences
/ Methods
/ Occupational Diseases - diagnosis
/ Occupational Diseases - diagnostic imaging
/ Occupational Diseases - epidemiology
/ Occupational Health - standards
/ Periodic health examinations
/ Research and Analysis Methods
/ Tuberculosis - diagnostic imaging
/ Workers
/ X-rays
