National Center for Telehealth and Technology (T2), Joint Base Lewis McChord, Tacoma, WA.
National Center for Telehealth and Technology (T2), Joint Base Lewis McChord, Tacoma, WA.
Ann Epidemiol. 2017 Jun;27(6):397-400. doi: 10.1016/j.annepidem.2017.05.004. Epub 2017 May 15.
Accurate knowledge of the vital status of individuals is critical to the validity of mortality research. National Death Index (NDI) and NDI-Plus are comprehensive epidemiological resources for mortality ascertainment and cause of death data that require additional user validation. Currently, there is a gap in methods to guide validation of NDI search results rendered for active duty service members. The purpose of this research was to adapt and evaluate the CDC National Program of Cancer Registries (NPCR) algorithm for mortality ascertainment in a large military cohort.
We adapted and applied the NPCR algorithm to a cohort of 7088 service members on active duty at the time of death at some point between 2001 and 2009. We evaluated NDI validity and NDI-Plus diagnostic agreement against the Department of Defense's Armed Forces Medical Examiner System (AFMES).
The overall sensitivity of the NDI to AFMES records after the application of the NPCR algorithm was 97.1%. Diagnostic estimates of measurement agreement between the NDI-Plus and the AFMES cause of death groups were high.
The NDI and NDI-Plus can be successfully used with the NPCR algorithm to identify mortality and cause of death among active duty military cohort members who die in the United States.
准确了解个人的生死状况对死亡率研究的有效性至关重要。国家死亡索引（NDI）和 NDI-Plus 是全面的流行病学资源，可用于确定死亡率和死亡原因数据，但需要额外的用户验证。目前，针对现役军人的 NDI 搜索结果的验证方法存在空白。本研究旨在改编和评估疾病预防控制中心国家癌症登记处（NPCR）算法，以用于大型军事队列的死亡率确定。
我们改编并应用 NPCR 算法来确定一组 7088 名现役军人的死亡率，这些军人在 2001 年至 2009 年期间的任何时间点死亡。我们评估了 NDI 的有效性和 NDI-Plus 与国防部武装部队医疗检查系统（AFMES）的诊断一致性。
应用 NPCR 算法后，NDI 对 AFMES 记录的总体敏感性为 97.1%。NDI-Plus 与 AFMES 死因组之间测量一致性的诊断估计值很高。
NDI 和 NDI-Plus 可以与 NPCR 算法一起成功用于确定在美国死亡的现役军事队列成员的死亡率和死因。
