Abstract:
PURPOSE:To determine the minimum enrollment duration for identifying incident cases of epilepsy in administrative data. METHODS:We performed a retrospective dynamic cohort study using Ohio Medicaid data from 1992 to 2006 to identify a total of 5037 incident epilepsy cases who had at least 1 year of follow-up prior to epilepsy diagnosis (epilepsy-free interval). The incidence for epilepsy-free intervals from 1 to 8 years, overall and stratified by pre-existing disability status, was examined. The graphical approach between the slopes of incidence estimates and the epilepsy-free intervals was used to identify the minimum epilepsy-free interval that minimized misclassification of prevalent as incident epilepsy cases. RESULTS:As the length of epilepsy-free interval increased, the incidence rates decreased. A graphical plot showed that the decline in incidence of epilepsy became nearly flat beyond the third epilepsy-free interval. CONCLUSION:The minimum of 3-year epilepsy-free interval is needed to differentiate incident from prevalent cases in administrative data. Shorter or longer epilepsy-free intervals could result in over- or under-estimation of epilepsy incidence.
journal_name
Epilepsy Resjournal_title
Epilepsy researchauthors
Bakaki PM,Koroukian SM,Jackson LW,Albert JM,Kaiboriboon Kdoi
10.1016/j.eplepsyres.2013.05.005keywords:
["Administrative data","Epilepsy","Incidence"]subject
Has Abstractpub_date
2013-09-01 00:00:00pages
273-9issue
1-2eissn
0920-1211issn
1872-6844pii
S0920-1211(13)00145-9journal_volume
106pub_type
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journal_title:Epilepsy research
pub_type: 杂志文章
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journal_title:Epilepsy research
pub_type: 杂志文章,随机对照试验
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pub_type: 杂志文章
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pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2015.11.016
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journal_title:Epilepsy research
pub_type: 临床试验,杂志文章
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更新日期:1991-05-01 00:00:00
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pub_type: 杂志文章
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journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/s0920-1211(02)00005-0
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journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/s0920-1211(99)00101-1
更新日期:2000-02-01 00:00:00
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journal_title:Epilepsy research
pub_type: 临床试验,杂志文章
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更新日期:1996-06-01 00:00:00
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pub_type: 杂志文章,多中心研究
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journal_title:Epilepsy research
pub_type: 杂志文章,评审
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更新日期:1999-12-01 00:00:00
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pub_type: 杂志文章
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pub_type: 杂志文章
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pub_type: 杂志文章,评审
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pub_type: 杂志文章,meta分析,评审
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更新日期:2012-08-01 00:00:00
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pub_type: 杂志文章
doi:10.1016/0920-1211(91)90025-b
更新日期:1991-07-01 00:00:00
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pub_type: 杂志文章
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更新日期:1994-01-01 00:00:00
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pub_type: 杂志文章
doi:10.1016/s0920-1211(00)00120-0
更新日期:2000-08-01 00:00:00
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journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2014.09.011
更新日期:2014-12-01 00:00:00
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journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/0920-1211(92)90010-q
更新日期:1992-10-01 00:00:00
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journal_title:Epilepsy research
pub_type: 杂志文章
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更新日期:1992-05-01 00:00:00
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journal_title:Epilepsy research
pub_type: 临床试验,杂志文章,meta分析,随机对照试验
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更新日期:2005-03-01 00:00:00
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journal_title:Epilepsy research
pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2003.08.001
更新日期:2003-09-01 00:00:00
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pub_type: 杂志文章
doi:10.1016/j.eplepsyres.2007.10.009
更新日期:2008-01-01 00:00:00