Skip to main content

Table 1 Characteristics of studies included in the meta-analysis

From: An association between hOGG1Ser326Cys polymorphism and the risk of bladder cancer in non-smokers: a meta-analysis

First author [reference] Country Ethnicity Genotyping method Cases (age) Controls (age) Design of experiment
Kim (2005) [19] Korea Asian PCR-RFLP N = 153 (62.9 ± 10.8 yrs) N = 153 (60.7 ± 11.8 yrs) Hospital-based
Karahalil (2006) [23] Turkey Caucasian PCR-RFLP N = 100 (mean age 60.2 yrs) N = 100 (age, sex matched controls) Hospital-based
Huang (2007) [21] USA Caucasian Taqman N = 696 (63.9 ± 11.1 yrs) N = 629 (age, sex matched controls) Hospital-based
Figueroa (2007) [20] Spain Caucasian Taqman N = 1150 (66 ± 10 yrs) N = 1149 (65 ± 10 yrs) Hospital-based
Arizono (2008) [17] Japan Asian PCR-RFLP N = 251 (68.2 ± 11.2 yrs) N = 251 (age-matched healthy controls) Population-based
Narter (2009) [22] Turkey Caucasian PCR-RFLP N = 83 (63.4 ± 11.7 yrs) N = 45 (59.9 ± 9.71 yrs) Hospital-based
Mittal (2011) [31] India Asian ARMS-PCR N = 212 (58.5 ± 12.4 yrs) N = 250 (56.8 ± 10.8 yrs) Hospital-based