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Table 1 Characteristics of the studies included in the meta-analysis

From: Exploration of the association between FOXE1 gene polymorphism and differentiated thyroid cancer: a meta-analysis

Study

Year

Polymorphism

Ethnicity

Cases

Controls

No. of cases/controls

Genotyping method

Quality

P for HWE

Francesca Damiola [21]

2013

rs965513, rs944289, rs1801516

France

Pathologically confirmed papillary thyroid cancer

General population

70/303

PCR, HRM, TaqMan

Median

0.6923

Angela Jones [22]

2011

rs965513, rs944289

Bratian

Histologically confirmed papillary thyroid cancer

General population

781/5193

TaqMan

High

0.3685

Celia Pereda [23]

2015

rs1801516, rs944289, rs965513

France

Pathologically confirmed papillary thyroid cancer

General population

203/212

TaqMan

Median

0.8552

Joshua Denny [24]

2011

rs965513

USA

Pathologically confirmed papillary thyroid cancer

Cancer-free individuals

1317/5053

TaqMan

High

0.4512

Julius Gudmundsson [25]

2009

rs965513, rs944289, rs1801516

Iceland

Histologically confirmed papillary thyroid cancer

Cancer-free individuals

962/38923

SNP arrays

High

0.3234

Stephane Maillard [26]

2015

rs944289, rs965513, rs1801516

France

Histologically confirmed papillary thyroid cancer

General population

168/262

TaqMan

Median

0.9704

Sandya Liyanarachchi [27]

2013

rs966425, rs944289

USA

Histologically confirmed papillary thyroid cancer

General population

2542/3137

SNP arrays

High

0.1188

Marissa Martinez [28]

2014

rs965513, rs944289

Germany

Histologically confirmed papillary thyroid cancer

General population

638/874

PCR, TaqMan

High

0.2126

Dorota Kula [29]

2016

rs965513, rs944289

Poland

Histologically confirmed papillary thyroid cancer

General population

2243/1160

PCR, TaqMan

High

0.3724

Michal Swierniak [30]

2015

rs965513, rs944289

Poland

Histologically confirmed papillary thyroid cancer

General population

1836/2313

SNP arrays

High

0.7532

Ana Florez [31]

2016

rs965513, rs944289

Colombia

Histologically confirmed papillary thyroid cancer

Cancer-free individuals

281/1146

PCR, KASP

High

0.7616

Liang Yu [32]

2017

rs966423, rs944289

China

Pathologically confirmed papillary thyroid cancer

Cancer-free individuals

349/1212

SNP arrays

High

0.1154

Liu Chen [33]

2013

rs965513, rs944289

China

Histologically confirmed papillary thyroid cancer

General population

152/183

PCR, TaqMan

Median

0.0001

Jiang Yongxin [34]

2014

rs966423, rs965513

China

Pathologically confirmed papillary thyroid cancer

General population

92/102

SNP arrays

Median

0.1334

Martyn Bullock [35]

2012

rs1801516

 

Pathologically confirmed papillary thyroid cancer

General population

261/6312

SNP arrays

High

0.2312