Table 1.
Main characteristics of the studies included in the meta-analysis.
| First author | Ethnicity | Subjects, N cases/controls | Mean age, y cases/controls | Genotypes (CC/CT/TT) | % of male (cases/controls) | Test for HWE X2 P |
|---|---|---|---|---|---|---|
| cases/controls | ||||||
| ML Pang et al. (2010) | Asian | 150/52 | 57.4 ± 14.1/ 58.7 ± 15.3 |
77/30/43 24/6/22 | 52.5/22.4 | 29.3 p < 0.05 |
| M Beránek et al. (2008) | Caucasian | 304/186 | 62.3 ± 0.7/ 59.4 ± 0.9 |
220/79/5 134/49/3 | NA/NA | 1.08 p = 0.29 |
| K Singh et al. (2013) | Caucasian | 259/267 | 55.3 ± 8.9/ 51.4 ± 10.5 |
164/91/4 196/69/2 | 85.0/85.2 | 2.56 p = 0.10 |
| KZ Liu et al. (2003) | Asian | 230/110 | 63.4 ± 9.2/ 64.2 ± 11.0 |
196/31/3 85/23/2 | 57.4/45.5 | 0.16 p = 0.68 |
N, Number of studies; NA, Not available; HWE: Hardy-Weinberg equilibrium.