Table 2

Characteristics of studies included in this systematic review
Reference Sample size Study design
Publishing year Sample characteristics
Groot et al. [24] 1077 Cross-Sectional
2000 Subsample of Rotterdam and Zeotemeer Studies
Shenkin et al. [25] 105 Cross-Sectional
2005 Random Sample of Community-Dwelling Participants
Baune et al. [26] 268 Cross-Sectional
2009 Subsample of MEMO Study
Kim et al. [27] 84 Cross-Sectional
2011 Random Sample of Normals/Recruited from Memory Clinic
Silbert et al. [28] 104 Longitudinal
2008 Subsample of Oregon Brain Aging Study
McClleland et al. [21] 3647 Cross-Sectional
2000 Subsample of CHS Cohort
Wright et al. [29] 656 Cross-Sectional
2008 Subsample of NOMAS Cohort study
Kaplan et al. [30] 95 Cross-Sectional
2009 Random Sample of Participants
Wakefield et al. [31] 99 Cross-Sectional
2010 Sample Selected for a Longitudinal Study
O’Brien et al. [32] 149 Cross-Sectional
2002 Subsample of SCOPE Study
Smith et al. [14] 145 Cross-Sectional
2011 Subsample of Prospective Study
Burns et al. [33] 156 Cross-Sectional
2005 88 Normal (CDR=0), 68 Early-Stage AD (CDR=0.5,1)
Ishii et al. [34] 453 Cross-Sectional
2007 340 (CDR=0), 113 (CDR=0.5)
Tullberg et al. [35] 78 Cross-Sectional
2004 22 Normal (CDR=0), 30 CIND (CDR=0.5), 26 Demented (CDR≥1)

Abbreviations: MEMO = Memory and Morbidity in Augsburg Elderly; CDR = Clinical Dementia Rating Scale; CHS = Cardiovascular Health Study; NOMAS = Northern Manhattan Study; SCOPE = Study on Cognition and Prognosis in Elderly; CIND = Cognitively Impaired not Demented.

Bolandzadeh et al.

Bolandzadeh et al. BMC Neurology 2012 12:126   doi:10.1186/1471-2377-12-126

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