Table 1 Characteristics of the 17 publications included in this meta-analysis

From: Association between PLCE1 rs2274223 A > G polymorphism and cancer risk: proof from a meta-analysis

Study

Country

Ethnicity

Cancer type

Source of controls

Genotyping methods

Sample sizes(Cases/controls)

HWE (controls)

HWE (cases)

Score

Ma,2011

USA

Caucasian

SCCHN

HB

TaqMan

1097/1089

0.977

0.234

12

Zhang,2011

China

Asian

Gastric

PB

TaqMan

1665/1848

0.451

0.664

14

Bye,2012

South African

African

ESCC

Mixed

TaqMan

418/850

0.886

0.625

11

 

South African

Mixed

ESCC

HB

TaqMan

254/857

0.807

0.522

10

Gu,2012

China

Asian

ESCC

HB

MassArray

379/371

0.457

0.653

10

Hu,2012

China

Asian

ESCC

HB

TaqMan

1061/1211

0.577

0.975

12

Li,2012

China

Asian

Colorectal

HB

MassArray

231/292

0.089

0.339

9

Yang,2012

China

Asian

Gastric

HB

MassArray

249/292

0.089

0.539

9

Palmer,2012

Poland

Caucasian

Gastric

PB

TaqMan

289/376

0.307

0.964

10

 

USA

Caucasian

Gastric

PB

TaqMan

306/210

0.039

0.036

10

 

USA

Caucasian

ESCC

PB

TaqMan

52/210

0.039

0.579

9

 

USA

Caucasian

EAC

PB

TaqMan

107/210

0.039

0.834

9

Wang,2012

China

Asian

Gastric

HB

TaqMan

1059/1240

0.224

0.551

11

Zhou,2012

China

Asian

ESCC

HB

PCR-LDR

517/510

0.646

0.318

11

Dura,2013

Netherlands

Caucasian

ESCC

PB

TaqMan

86/580

0.950

0.507

9

 

Netherlands

Caucasian

EAC

PB

TaqMan

258/580

0.950

0.554

9

Duan,2013

China

Asian

ESCC

PB

PCR-RFLP

381/420

0.582

0.271

11

Yuan,2013

China

Asian

HNC

HB

TaqMan

501/879

0.243

0.363

12

Sharma,2013

North Indian

Caucasian

GBC

HB

PCR-RFLP

416/225

0.367

0.000

10

Chen,2013

China

Asian

ESCC

HB

MALDI-TOF MS

200/300

0.210

0.895

8

Wang,2014

China

Asian

Colorectal

HB

TaqMan

417/416

0.454

0.953

10

Song,2014

Korean

Asian

Gastric

HB

HRM

3245/1700

0.148

0.088

11

  1. SCCHN, squamous cell carcinoma of head and neck; ESCC, esophageal squamous cell carcinoma; EAC, esophageal adenocarcinoma; HNC, head and neck cancer; GBC, gallbladder cancer; PB, population based; HB, hospital based; HWE, Hardy-Weinberg equilibrium; PCR-LDR, polymerase chain reaction ligase detection reaction; PCR-RFLP, Polymorphism chain reaction-restriction fragment length polymorphism; MALDI-TOF MS, matrix assisted laser desorption ionization/time of flight mass spectrometry; HRM, high-resolution melting.