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Table 1 The baseline data of all including study

From: Lack of association between cathepsin D C224T polymorphism and Alzheimer’s disease risk: an update meta-analysis

First author

Year

Country

Ethnicity

Genotyping method

AD diagnostic

Control sources

HWE

Case (EOAD/LOAD)

Control

Sun

2005

China

Asian

PCR-RFLP

NINCDS-ADRDA and DSM-IV

PB

0.552

165

174

Li

2004

China

Asian

PCR-RFLP

NINCDS-ADRDA

PB

0.484

156(42/114)

183

Jhoo

2005

Korea

Asian

DASH

NINCDS-ADRDA

PB

0.701

107(36/71)

216

Matsui

2001

Japan

Asian

PCR-RFLP

NINCDS-ADRDA

PB

0.000

275

479

  

USA

Caucasian

PCR-RFLP

autopsy-confirmed

PB

0.191

69

50

Papassotiropoulos

1999

Germany

Caucasian

PCR-RFLP

NINCDS-ADRDA

PB

0.21

102

351

McIlroy

1999

Ireland

Caucasian

PCR-RFLP

DSM IV and NINCDS-ADRDA

PB

0.367

183

187

Papassotiropoulos

2000(b)

Germany

Caucasian

PCR-RFLP

NINCDS-ADRDA

HB

0.485

127

184

Bhojak

2000

USA

Caucasian

PCR-RFLP

NINCDS-ADRDA

HB

0.084

531

316

Crawford

2000

USA

Caucasian

PCR-RFLP

NINCDS-ADRDA

HB

0.319

210

120

  

Spain

Caucasian

PCR-RFLP

NINCDS-ADRDA

HB

0.101

79

112

Menzer

2001

Germany, Switzerland, Italy

Caucasian

PCR-RFLP

NINCDS-ADRDA

HB and PB

0.988

324

302

Bertram

2001

USA

Caucasian

PCR-RFLP

NINCDS-ADRDA

HB

0.373

200

182

Emahazion

2001

Scotland

Caucasian

DASH

DSM-IV

Not clarified.

0.329

120

149

Bagnoli

2002

Italy

Caucasian

PCR-RFLP

DSM-IV

PB

0.616

197(33/33)

126

Mateo

2002

Spain

Caucasian

PCR-RFLP

NINCDS-ADRDA

HB

0.008

311(126/185)

346

Styczynska

2003

Polish

Caucasian

PCR-RFLP

NINCDS-ADRDA

HB

0.637

100

100

Ingegni

2003

Italy

Caucasian

PCR-RFLP

NINCDS-ADRDA

HB

0.914

142

120

Beryer

2005

Spain

Caucasian

PCR-RFLP

DSM-IV and NINCDS-ADRDA

Not clarified.

0.871

205

181

Blomqvist2

2006

Switzerland

Caucasian

DASH

NINCDS-ADRDA

HB and PB

0.372

385

173

Mariani

2006

Italy

Caucasian

PCR-RFLP

NINCDS-ADRDA

PB

0.355

100

136

Davidson

2006

UK

Caucasian

PCR-RFLP

NINCDS-ADRDA

HB

0.168

560(317/243)

767

Capurso

2008

Italy

Caucasian

PCR-RFLP

NINCDS-ADRDA

PB

0.205

242(57/185)

421

Albayrak

2010

Germany

Caucasian

PCR-RFLP

NINCDS-ADRDA

HB

0.143

219

215

M. Schuur

2011

Netherland

Caucasian

Taqman assay

NINCDS-ADRDA

PB

0.631

493

5619

  1. PCR–RFLP, Polymerase chain reaction-restriction fragment length polymorphism; DASH, dynamic allele specific hybridization; PB, Population–based; HB, Hospital–based; HWE, hardy-Weinberg equilibrium; EOAD, early-onset AD; LOAD, late-onset AD.