Table 1 Main characteristics of the studies included in an analysis of the XRCC1 Arg194Trp polymorphism and bladder cancer risk
From: Quantitative assessment of the associations between XRCC1 polymorphisms and bladder cancer risk
Study | Ethnicity | Country | Sample size (Frequency of T allele, %) | HWE in control | Quality score | Genotyping method | |
|---|---|---|---|---|---|---|---|
Case no | Control no | ||||||
Stern [19] | Caucasian | US | 235 (5.63) | 213 (8.63) | Yes | 8 | PCR-RFLP |
Wu [20] | Asian | China | 155 (33.87) | 155 (27.42) | Yes | 9 | PCR-RFLP |
Matullo [21] | Caucasian | Mixed | 131 (6.45) | 1,094 (6.63) | Yes | 13 | Taqman |
Wu [22] | Caucasian | US | 696 (6.43) | 629 (6.42) | Yes | 11 | Taqman |
Zhang [23] | Asian | China | 242 (33.47) | 225 (26.22) | No | 12 | PCR-RFLP |
Sak [24] | Caucasian | UK | 547 (5.79) | 579 (5.96) | Yes | 12 | Taqman |
Figueroa [25] | Caucasian | Spain | 1,150 (6.11) | 1,149 (5.72) | Yes | 12 | Taqman |
Andrew [26] | Caucasian | US, Italy | 1,029 (6.49) | 1,281 (7.15) | Yes | 12 | Taqman |
Hsu [27] | Asian | Taiwan | 221 (34.86) | 223 (33.26) | No | 7 | PCR-RFLP |
Fontana [28] | Caucasian | France | 51 (3.92) | 45 (5.56) | Yes | 6 | Taqman |
Narter [29] | Caucasian | Turkey | 83 (21.93) | 45 (23.61) | Yes | 4 | PCR-RFLP |
Wang [30] | Asian | China | 234 (31.62) | 253 (23.72) | Yes | 8 | PCR-RFLP |
Bianchino [31] | Caucasian | Italy | 32 (12.50) | 242 (7.02) | Yes | 5 | PCR-RFLP |
Mittal [32] | Asian | India | 212 (10.14) | 250 (9.00) | Yes | 10 | PCR-RFLP |