The impact of National Death Index linkages on population-based cancer survival rates in the United States
The impact of National Death Index linkages on population-based cancer survival rates in the United States
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DOI：
10.1016/j.canep.2012.08.007
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发表时间：
2013-02-01
影响因子：
2.6
通讯作者：
Yin, Daixin
中科院分区：
文献类型：
--
作者：
Johnson, Christopher J.;Weir, Hannah K.;Yin, Daixin
背景资料：为了确保准确的生存率估计，基于人口的癌症登记必须确定所有或几乎所有诊断为癌症的患者在其集水区，并获得完整的后续信息中发生的所有死亡登记癌症患者。在美国，与州死亡记录的联系可能不足以确定所有死亡。自1979年以来，所有州的生命统计局都向国家死亡指数报告其死亡证明信息。目的：这项研究旨在衡量与NDI的联系对美国基于人群的相对和癌症病因特异性生存率的影响。研究方法：将1993-1995年来自加州、科罗拉多和爱达荷州的确诊患者的中央癌症登记记录与来自其各自州生命统计办公室和NDI的死亡证明信息（1993-2004年死亡）相关联。创建了两个数据库：一个包含仅与州死亡记录相关联的死亡患者的事件记录，第二个数据库包含与州死亡记录和NDI相关联的死亡患者的事件记录。根据州和主要部位类别比较每个数据库的生存估计值和95%置信区间。结果如下：在60个月随访时，42.1-48.1%的事件记录与州死亡记录相关，另外0.7-3.4%的记录与NDI相关。使用相对生存方法，在所有3种状态下，对于所有部位合并的结直肠、胰腺、肺和支气管、乳腺、前列腺、非霍奇金淋巴瘤和卡波西肉瘤病例，无NDI分析的生存点估计值未包含在NDI增强分析的相应95% CI内。状态和原发部位的其他组合具有显著的生存估计差异，其因方法而异（相对与原因特异性生存）。结论：为了确保准确的基于人群的癌症存活率，与国家死亡指数联系以确定州外和晚期登记的死亡是美国中央癌症登记处的必要程序。(C)2012爱思唯尔有限公司保留所有权利。
Background: In order to ensure accurate survival estimates, population-based cancer registries must ascertain all, or nearly all, patients diagnosed with cancer in their catchment area, and obtain complete follow-up information on all deaths that occurred among registered cancer patients. In the US, linkage with state death records may not be sufficient to ascertain all deaths. Since 1979, all state vital statistics offices have reported their death certificate information to the National Death Index (NDI). Objective: This study was designed to measure the impact of linkage with the NDI on population-based relative and cancer cause-specific survival rates in the US. Methods: Central cancer registry records for patients diagnosed 1993-1995 from California, Colorado, and Idaho were linked with death certificate information (deaths 1993-2004) from their individual state vital statistics offices and with the NDI. Two databases were created: one contained incident records with deceased patients linked only to state death records and the second database contained incident records with deceased patients linked to both state death records and the NDI. Survival estimates and 95% confidence intervals from each database were compared by state and primary site category. Results: At 60 months follow-up, 42.1-48.1% of incident records linked with state death records and an additional 0.7-3.4% of records linked with the NDI. Survival point estimates from the analysis without NDI were not contained within the corresponding 95% CIs from the NDI augmented analysis for all sites combined and colorectal, pancreas, lung and bronchus, breast, prostate, non-Hodgkin lymphoma, and Kaposi sarcoma cases in all 3 states using relative survival methods. Additional combinations of state and primary site had significant survival estimate differences, which differed by method (relative versus cause-specific survival). Conclusion: To ensure accurate population-based cancer survival rates, linkage with the National Death Index to ascertain out of state and late registered deaths is a necessary process for US central cancer registries. (C) 2012 Elsevier Ltd. All rights reserved.