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Table 1 Baseline characteristics of eligible case-control studies

From: Association between GABRG2 rs211037 polymorphism and febrile seizures: a meta-analysis

Author

Year

Country/Region

Ethnicity

Genotyping method

Control

Matched control

HWE

Total

Case

Control

Abdel

2012

Egypt

Mixed

PCR-RFLP

Healthy

Yes

Yes

220

100

120

Balan

2013

India

Mixed

AS-PCR

MTLE-HS without FS

Yes

Yes

203

138

65

Butila

2018

Romania

Caucasian

PCR-RFLP

Patients

No

Yes

207

54

153

Chou

2003

Mainland of China

Asian

PCR-RFLP

Healthy

No

Yes

186

103

83

Haerian

2015

Hong Kong, China

Asian

MassARRAY

Healthy

Yes

Yes

2894

50

2844

Haerian

2015

Malaysia (Chinese)

Asian

MassARRAY

Healthy

Yes

Yes

494

17

477

Haerian

2015

Malaysia (Malay)

Asian

MassARRAY

Healthy

Yes

Yes

370

11

359

Haerian

2015

Malaysia (Indian)

Asian

MassARRAY

Healthy

Yes

Yes

244

2

242

Kinirons A

2006

United Kingdom

Caucasian

tSNP

Healthy

No

Yes

414

84

330

Kinirons B

2006

Ireland

Caucasian

tSNP

Healthy

No

Yes

363

80

283

Nakayama

2003

Japan

Asian

DHPLC

Healthy

No

Yes

200

94

106

Ponnala

2012

India

Mixed

PCR-RFLP

Healthy or patients

No

Yes

186

86

100

  1. AS-PCR Allele-specific polymerase chain reaction, DHPLC denaturing high-performance liquid chromatography, MassARRAY matrixassisted laser desorption/ionization time of flight mass spectrometry, MTLE-HS mesial temporal lobe epilepsy with hippocampal sclerosis, NA not available, PCR-RFLP polymerase chain reaction-restriction fragment length polymorphism, RT-PCR reverse transcription- polymerase chain reaction, tSNP a tagging single nucleotide polymorphism