| Author | 
        Year | 
        Country | 
        Ethnicity | 
        Mean or median age of cases/controls or age    range (years) | 
        Source of control | 
        Matching criteria | 
        Case/control | 
        Genotyping methods | 
        Studied polymorphism (Fok1 or/and Bsm1) | 
        HWE | 
       
      
        | Curran | 
        1999 | 
        Australia | 
        Caucasian | 
        59.6 ± 1.01/49.7 ± 1.35 | 
        Population | 
        Age | 
        135/110 | 
        PCR-RFLP | 
        Fok1 | 
        Y | 
       
      
        |  Ingles | 
        2000 | 
        American | 
        Caucasian | 
        45-75/45-75 | 
        Hospital | 
        Age    ,Residential area | 
        143/300 | 
        PCR-RFLP | 
        Bsm1 | 
        Y | 
       
      
        |  Hou | 
        2002 | 
        Chinese | 
        Asian | 
        49.03    ± 11.67/33.07 ± 12.3&59.79 ± 9.68 | 
        Population | 
        Residential    area | 
        34/215 | 
        PCR-RFLP | 
        Bsm1 | 
        Y | 
       
      
        | Buyru | 
        2003 | 
        Turkey | 
        Caucasian | 
        NR    /NR | 
        Population | 
        NA | 
        78/27 | 
        PCR-RFLP | 
        Bsm1 | 
        Y | 
       
      
        |  Guy | 
        2004 | 
        UK | 
        Caucasian | 
        60.5(27-90)/54(36-80) | 
        Hospital | 
        Age | 
        398/427 | 
        PCR-RFLP | 
        Fok1,Bsm1 | 
        Y;Y | 
       
      
        |  Chen | 
        2005 | 
        Turkey | 
        Caucasian | 
        57.1(43-69)/57.9(43-69) | 
        Hospital | 
        Age    and Residential area | 
        2,414/3,223 | 
        TaqMan | 
        Fok1,Bsm1 | 
        Y;Y | 
       
      
        |  Lowe | 
        2005 | 
        UK | 
        Caucasian | 
        58(34-84)/58(36-80) | 
        Hospital | 
        Age    ,Residential area | 
        179/179 | 
        PCR-RFLP | 
        Bsm1 | 
        Y | 
       
      
        | McCullough | 
        2007 | 
        America | 
        Caucasian | 
        62(43-75)/    62(43-75) | 
        Hospital | 
        Age ,Race    ,Residential area | 
        500/500 | 
        TaqMan | 
        Fok1,Bsm1 | 
        Y | 
       
      
        | John | 
        2007 | 
        American | 
        Hispanics,    African Americans, non-Hispanic White  | 
                                                          35-79/35-79 | 
        Population | 
        Age,    Regional match | 
        764/865 | 
        TaqMan | 
        Fokl | 
        Y | 
       
      
        |  Sinotte1 | 
        2008 | 
        Canada | 
        Caucasian | 
        52.3    ± 9.7/52.3 ± 9.7 | 
        Hospital    and Population | 
        Age,Region | 
        243/423 | 
        Allele-specific    PCR | 
        Fok1,Bsm1 | 
        Y;N | 
       
      
        |  Sinotte2 | 
        2008 | 
        Canada | 
        Caucasian | 
        55.8    ± 10.5/55.8 ± 10.5 | 
        Population | 
        Age,Region | 
        622/974 | 
        Allele-specific    PCR | 
        Fok1,Bsm1 | 
        Y;Y | 
       
      
        | Abbas | 
        2008 | 
        Germany | 
        Caucasian | 
        50-74/NR | 
        Population | 
        Age | 
        1,390/2,596 | 
        PCR-RFLP | 
        Fok1 | 
        Y | 
       
      
        | Gapska | 
        2008 | 
        Polish | 
        Caucasian | 
        56.5(25-88)/56.5(25-88);44.2(21-50)/45.3(22-50) | 
        Population | 
        Age,    Region | 
        1,760/1,510 | 
        TaqMan(R) | 
        Fok1,Bsm1 | 
        Y;Y | 
       
      
        |  McKay1 | 
        2009 | 
        American | 
        mixed | 
        70 ± 6/58    ± 8 | 
        Population | 
        Age,    Hormone status | 
        6473/8397 | 
        Taqman | 
        Fok1,Bsm1 | 
        Y;Y | 
       
      
        |  McKay2 | 
        2009 | 
        American | 
        Caucasian | 
        70 ± 6/58    ± 8 | 
        Population | 
        Age,    Hormone status | 
        1,605/2,136 | 
        Taqman | 
        Fok1,Bsm1 | 
        Y;N | 
       
      
        |  Rollison | 
        2011 | 
        American | 
        Caucasian | 
        24-79/24-79 | 
        Population | 
        Age,    regional area | 
        2318/2521 | 
        PCR-RFLP | 
        Fok1,Bsm1 | 
        Y;Y | 
       
      
        | Anderson | 
        2011 | 
        Canada | 
        Caucasian | 
        56/56 | 
        Population | 
        Age | 
        1560/1633 | 
        MassARRAY    system | 
        Fokl,Bsm1 | 
        N;Y | 
       
      
        | Engel | 
        2012 | 
        American | 
        Caucasian | 
        58.3    ± 10.0/62.8 ± 8.9 | 
        Population | 
        Race    ,Regional area, Age | 
        269/552 | 
        MassARRAY    system | 
        Fokl | 
        Y | 
       
      
        | Fuhrman | 
        2013 | 
        American | 
        Caucasian | 
        43.4    ± 10.0/45.2 ± 10.6 | 
        Population | 
        Age,    Region, Year of birth ,in 5-year intends | 
        484/845 | 
        TaqMan    orMGB Edipse assays | 
        Fok1,Bsm1 | 
        Y;Y | 
       
      
        | Shahbazi | 
        2013 | 
        Iranian | 
        Asian | 
        45.44    ± 10.61/42.64 ± 9.67 | 
        Population | 
        Age | 
        140/156 | 
        PCR-RFLP | 
        Fok1,Bsm1 | 
        Y;Y | 
       
     
      NR: not reported; Sinotte1: one study by Sinotte et al.; Sinotte2 :another study by Sinotte et al.; Mckay1:the study in mixed ethnicity by Mckay et al.; Mckay2:the study only
    in Caucasian by Mckay et al. |