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Table 2 Demographic information of studied African Americans

From: TREM2 is associated with increased risk for Alzheimer’s disease in African Americans

Cohort No. of participants Type Sequencing/Genotyping strategy Cases Controls
N Range of age at onset/diagnosis N Range of age at last assessment
Knight-ADRC + NIA-LOAD 338 Clinical Pooled sequencing/Sequenom + KASPar 202 60-94 136 60-97
Mayo Clinic 513 Clinical Sanger sequencing (exons 1–5 in AD cases and exon 2 in controls)/Taqman + KASPar 179 61-99 334 60-98
Indiana University 1,321 Clinical Sequenom + KASPar 149 72-102 1,172 70-102
WHICAP 1,024 Clinical KASPar 246 68-101 778 66-99
Emory University 197 Clinical Taqman + KASPar 130 61-98 67 60-94*
  1. Type: Type of Alzheimer’s disease patients. *Range of age at draw.