國家衛生研究院 NHRI:Item 3990099045/13987
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    題名: Association of computed tomographic screening promotion with lung cancer overdiagnosis among Asian women
    作者: Gao, W;Wen, CP;Wu, A;Welch, HG
    貢獻者: Institute of Population Health Sciences
    摘要: IMPORTANCE As smoking continues to decline in many developed countries, the proportion of lung cancers in nonsmokers will rise. This shiftmay create substantial pressure to further expand lung cancer screening to lower-risk groups. OBJECTIVE To determine the association of lung cancer incidence with the promotion of screening in a largely nonsmoking population. DESIGN, SETTING, AND PARTICIPANTS This population-based ecological cohort study of stage-specific lung cancer incidence used the Taiwan Cancer Registry to identify women diagnosed with lung cancer from January 1, 2004, to December 31, 2018. Smoking prevalence among Taiwanese women has been less than 5% since 1980. Data were analyzed from February 13, 2020, to November 10, 2021. EXPOSURES Low-dose computed tomography (LDCT) screening for lung cancer, initiated during the early 2000s. MAIN OUTCOMES AND MEASURES Change in stage-specific lung cancer incidence. An effective cancer screening program will not only increase the incidence of early-stage cancer but also decrease the incidence of cancer presenting at a late stage. RESULTS A total of 57 898 women were diagnosed with lung cancer in a population of approximately 12 million Taiwanese women. After the introduction of LDCT screening, the incidence of early-stage (stages 0-I) lung cancer in women increased more than 6-fold, from 2.3 to 14.4 per 100 000 population (absolute difference, 12.1 [95% CI, 11.3-12.8]) from 2004 to 2018. There was no change, however, in the incidence of late-stage (stages II-IV) lung cancer, from 18.7 to 19.3 per 100 000 (absolute difference, 0.6 [95% CI, -0.5 to 1.7]). Because the additional 12.1 per 100 000 early-stage cancers were not accompanied by a concomitant decline in late-stage cancers, virtually all the additional cancers detected represent overdiagnosis. Despite stable mortality, 5-year survival more than doubled from 2004 to 2013, from 18% to 40%, which is arguably the highest lung cancer survival rate in the world. CONCLUSIONS AND RELEVANCE This population-based ecological cohort study found that low-dose computed tomographic screening of mostly nonsmoking Asian women was associated with considerable lung cancer overdiagnosis. Five-year survival is biased by the increased LDCT detection of indolent early-stage lung cancers. Unless randomized trials can demonstrate some value to low-risk groups, LDCT screening should remain targeted only to heavy smokers.
    日期: 2022-03
    關聯: JAMA Internal Medicine. 2022 Mar 1;182(3):283-290.
    Link to: http://dx.doi.org/10.1001/jamainternmed.2021.7769
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=2168-6106&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000745111500003
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85123596591
    顯示於類別:[溫啟邦(2001-2010)] 期刊論文

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