Table 2.
The baseline characteristics of all eligible studies
| References | Ethnicity | Country | Sources of Con. | Number of Ca. | Number of Con. | Thr/Thr | Thr/Met | Met/Met | MAF (%) | HWE |
|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||
| Ca./Con. | Ca./Con | Ca./Con | Ca/Con | |||||||
| Duarte MC (2005) | Others | Brazil | HCC | 160 | 150 | 84/67 | 53/60 | 23/23 | 69.06/64.67 | > 0.05 |
| Huang WY (2005) | Caucasian | Poland | PCC | 281 | 390 | 128/174 | 128/163 | 25/53 | 68.33/65.51 | > 0.05 |
| Huang GP (2006) | Asian | China | HCC | 309 | 188 | 149/112 | 135/66 | 25/10 | 70.06/77.13 | > 0.05 |
| Ye W (2006) | Caucasian | Sweden | PCC | 126 | 472 | 52/203 | 63/218 | 11/51 | 66.27/66.10 | > 0.05 |
| Ruzzo A (2007) | Caucasian | Italy | PCC | 90 | 121 | 35/36 | 44/66 | 11/19 | 63.33/57.02 | > 0.05 |
| Palli D (2010) | Caucasian | Italy | PCC | 294 | 546 | 95/189 | 148/268 | 51/89 | 57.48/59.16 | > 0.05 |
| Canbay E (2010) | Caucasian | Turkey | HCC | 40 | 247 | 16/74 | 19/146 | 5/27 | 63.75/59.51 | > 0.05 |
| Zhao L (2011) | Asian | China | HCC | 721 | 989 | 257/635 | 321/274 | 143/80 | 57.91/78.06 | > 0.05 |
| Hu WG (the present study) | Asian | China | HCC | 440 | 602 | 389/549 | 50/52 | 1/1 | 94.09/95.52 | > 0.05 |
Abbreviations: HCC = Hospital-based case-control study; PCC = Population-based case-control study; Ca = Case; Con = Control; HW = Hardy-Weinberg equilibrium in the control group; MAF = minor allele frequency.