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Table 3 GSTM1 and GSTT1 null genotype frequency distribution among the different ethnic groups

From: Comparative frequency distribution of glutathione S-transferase mu (GSTM1) and theta (GSTT1) allelic forms in Himachal Pradesh population

References Studied population No. of individual GSTM1 Null genotype (%) GSTT1 Null genotype (%)
Pinheiro et al. [29] American 147 43.5 12.2
Millikan et al. [24] American 268 26.9 36.6
Possuelo et al. [30] American 49 41.2 38.3
de Souza et al. [6] American 134 44.8 42.5
Fujihara et al. [8] African 341 11.2 35.8
Kassogue et al. [15] African 60 45.0 22.0
Medjani et al. [23] African 101 49.5 22.7
Alshagga et al. [4] Asian 137 66.0 18.0
Wu et al. [39] Asian 895 36.4 40.1
Dadbinpour et al. [7] Asian 57 55.5 22.7
Al-Achkar et al. [2] Asian 172 23.0 17.0
Shukla et al. [34] Asian 238 37.8 24.4
Kumar et al. [20] Asian 308 40.6 32.8
Ritambhara Tiwari et al. [31] Asian 100 46.0 33.0
Present Study Asian (India) 297 33.3 32.0
Peddireddy et al. [27] Asian 250 24.0 10.4
Suthar et al. [37] Asian 700 42.4 25.3
AL-Eitan et al. [3] Asian 219 53.4 26.9
Sikdar et al. [35] Asian 67 27.0 13.0
Ihsan et al. [14] Asian 154 42.9 27.3
Klusek et al. [19] European 104 45.2 20.2
Bu et al. [5] European 203 51.0 18.0
Lopez-Cima et al. [21] European 789 53.5 21.3
Schneider et al. [33] European 622 52.5 16.5
Gra et al. [12] European 352 50.0 19.0
  1. The bold statement indicates the results of our study, where, we have compared the prevalence of GST genotypes in the global population on the basis of ethnicity