Table 1 Characteristics of included studies in this current meta-analysis
First Author and Reference | Year of Publication | Country | Ethnicity | Sample Size (Cc/Co) |
Majumder [24] | 2019 | India | Asian | 157/200 |
Li [20] | 2012 | China | Asian | 122/532 |
Reichert [25] | 2009 | Germany | Caucasian | 58/69 |
Scarel-Caminaga [19] | 2002 | Brazil | Mixed | 69/44 |
Vahabi [26] | 2017 | Iran | Caucasian | 99/75 |
First Author and Reference | Year of Publication | Genotypic Frequency (Cc- GG,TG,TT/Co- GG,TG,TT) | Age (Cc/Co) | Score and HWE respect (X2, Pvalue) |
Majumder [24] | 2019 | 72,62,23/90,79,31 | 41.59 ± 11.12/38.41 ± 9.48 | 14/Yes (X2 < 3.84, P > 0.05) |
Li [20] | 2012 | 40,14,68/43,111,378 | 38.00–69.00 | 14/No (X2 > 3.84, P < 0.05) |
Reichert [25] | 2009 | 8,15,35/16,51,64 | 49.1 ± 9.6/46.7 ± 10.7 | 14/No (NI) |
Scarel-Caminaga [19] | 2002 | 4,29,36/2,16,26 | 36.9 ± 11.2(I)-43.6 ± 14.4(II)/43.2 ± 14.0 | 14/NI |
Vahabi [26] | 2017 | 0,0,99/0,0,75 | 40.28 ± 12.73/31.67 ± 12.00 | 12/NI |