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Table 1 Baseline characteristic of eligible case-control studies

From: Association between GABRG2 rs211037 polymorphism and idiopathic generalized epilepsies: a meta-analysis

Author Year Country Ethnity Type of epilepsy Genotyping Methods Control Total Case Control
Abou [9] 2018 Egypt Asian IGE PCR-RFLP healthy 210 100 110
Balan [10] 2013 India Asian JME AS-PCR healthy 500 235 265
Bhat [11] 2018 India Asian JME PCR-RFLP healthy 150 50 100
Butila [12] 2018 Romania Caucasians IGE PCR-RFLP patients 213 60 153
Chou [13] 2007 China Asian IGE PCR-RFLP healthy 160 77 83
Gitai [14] 2012 Brazil Mixed JME PCR-RFLP healthy 228 98 130
Haerian [15] 2015 Malaysia Asian IGE MassARRAY healthy 1,254 176 1,078
Kananura [16] 2002 Germany Caucasian CAE RT-PCR healthy 289 135 154
Kim [17] 2012 Korean Asian CAE PCR healthy 242 35 207
Kinirons A [18] 2006 UK NA IGE tSNP healthy 408 78 330
Kinirons B [18] 2006 Ireland NA IGE tSNP healthy 400 117 283
Ponnala [19] 2012 India Asian IGE PCR-RFLP healthy or patients 186 86 100
  1. AS-PCR Allele-specific polymerase chain reaction, CAE childhood absence epilepsy, IGE childhood idiopathic generalized epilepsy, JME Juvenile myoclonic epilepsy, MassARRAY matrixassisted laser desorption/ionization time of flight mass spectrometry, 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