Analysis of the efficacy of lung cancer screening in urban areas of Henan Province by low-dose computed tomography from 2013 to 2017

Zhonghua zhong liu za zhi [Chinese journal of oncology]
L W GuoX B Sun

Abstract

Objective: To evaluate the efficacy of lung cancer screening in urban areas of Henan province by low-dose computed tomography (LDCT) from 2013 to 2017. Methods: A cluster sampling method was used to select the residents of 40-74 years old in Henan province to investigate the risk factors and conduct lung cancer risk assessment. Subjects with high risk of lung cancer received LDCT for screening. Results: A total of 179 002 residents completed the lung cancer risk assessment, and 35 672 subjects were identified as high risk of lung cancer, with a high risk rate of 19.93%. A total of 13 383 subjects with high risk received LDCT, and the screening rate was 37.52%. There were 786 cases diagnosed as positive nodules, and the detection rate was 5.87%. Among them, 755 cases of solid/partial solid nodule were ≥5 mm, 23 cases of non-solid nodules were ≥8 mm, 8 cases were intratracheal nodules, and 115 cases were diagnosed as suspicious lung cancer. The detection rate in males was 6.74%, which was higher than 5.02% in females. The detection rate was positively related with age (P<0.05). Conclusions: The application of LDCT is a useful screening method which can elevate the early detection rate of positive nodules and other related disease...Continue Reading

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