Journal of Ophthalmology / 2015 / Article / Tab 1

Review Article

An Updated Meta-Analysis: Risk Conferred by Glutathione S-Transferases (GSTM1 and GSTT1) Polymorphisms to Age-Related Cataract

Table 1

Characteristics of studies included in the meta-analysis.

First authorYearEthnicity (country)Sample sizeNumber of null genotypesReferencesQuality score
CasesControlsCasesControls

GSTM1:
 Pi1996Asian (China)591124157[18]18
 Hao1999Asian (China)77764135[19]17
 Xu2007Asian (China)1201188160[20]19
 Zhou2010Asian (China)27914517195[21]29
 Jiang2012Asian (China)422312176173[22]31
 Sekine1995Asian (Japan)1386210130[23]20
 Sireesha2012Caucasian (India)45520517794[24]32
 Alberti1996Caucasian (Italy)202989949[25]23
 Juronen2000Caucasian (Estonia)503202240111[26]25
 Saadat2004Caucasian (Iran)1501509058[27]25
 Saadat2006Caucasian (Iran)95955636[28]23
 Güven2007Caucasian (Turkey)19513610558[29]29
 Abdel Azeem2009Caucasian (Egypt)53732346[30]22
 Saadat2012Caucasian (Iran)18619510489[31]26
 Chandra2014Caucasian (India)1311264368[32]25
GSTT1:
 Zhou2010Asian (China)27914514660[21]29
 Jiang2012Asian (China)422312221138[22]31
 Sireesha2012Caucasian (India)45520512340[24]32
 Juronen2000Caucasian (Estonia)5032027336[26]25
 Saadat2004Caucasian (Iran)1501504946[27]25
 Güven2007Caucasian (Turkey)1951362922[29]29
 Abdel Azeem2009Caucasian (Egypt)53731621[30]22
 Saadat2012Caucasian (Iran)1861954957[31]26
 Chandra2014Caucasian (India)131126185[32]25

GSTM1: glutathione S-transferase M1; GSTT1: glutathione S-transferase T1.