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. Author manuscript; available in PMC: 2013 Mar 24.
Published in final edited form as: Hypertens Res. 2012 Jul 5;35(11):1072–1079. doi: 10.1038/hr.2012.97

Table 3.

Ascertainment of events

Event Ohasama10 Finn-Home9 Tsurugaya24 Didima11 Montevideo22
Ascertainment of events
 Fatal Death certificates Death certificates NHI database,
medical records		 Death certificates Death certificates
 Nonfatal Stroke registration system,
medical records		 Hospital discharge
register		 NHI database,
medical records		 Interviews,
medical records		 Interviews,
medical records
ICD-10 codes, if available
 Stroke I60–I64 I61 and I63 I60–64 Investigator-defined Investigator-defined
 Sudden death I46 and R96 I46 and R96 I46 and R96 Investigator-defined Investigator-defined
 Heart failure I50 and J81 I50 I50 Investigator-defined Investigator-defined
 Peripheral arterial disease I70–I74 I70–I74 I70–74 Investigator-defined Investigator-defined
 Ischemic heart disease I21–I25 I21–I25 I21–I25 Investigator-defined Investigator-defined
 Other cardiac death I05, I11, I34–I35, I38, I44,
I47-I49, I99		 I11 — Investigator-defined Investigator-defined

Abbreviations: ICD-10, International Statistical Classification of Diseases, 10th Revision; NHI, National Health Insurance.