Table 3 Frequency of NQO1 C609T polymorphism in ESCC and EAC patients included in a meta-analysis
From: NQO1 C609T polymorphism and esophageal cancer risk: a HuGE review and meta-analysis
Ref. | Investigator | Year | Histological type | Cases (%) | Controls (%) | P value for HWE | ||||
|---|---|---|---|---|---|---|---|---|---|---|
CC | CT | TT | CC | CT | TT | |||||
[27] | Sarbia et al. | 2003 | EAC | 49.2 | 47.5 | 3.3 | 73.4 | 25.0 | 1.6 | 0.602 |
[29] | Zhang et al. | 2003 | ESCC | 71.2 | 21.8 | 7.0 | 73.4 | 25.0 | 1.6 | 0.602 |
[29] | Zhang et al. | 2003 | ESCC | 26.4 | 47.7 | 25.9 | 34.0 | 49.6 | 16.3 | 0.765 |
[30] | Zhang et al. | 2003 | EAC | 32.3 | 44.4 | 23.4 | 31.5 | 52.1 | 16.4 | 0.390 |
[28] | Rahden et al. | 2005 | EAC | 65.0 | 30.0 | 5.0 | 71.2 | 25.0 | 3.8 | 0.166 |
[26] | Marjani et al. | 2010 | ESCC | 54.8 | 37.6 | 7.5 | 44.0 | 48.0 | 8.0 | 0.467 |