MMP11 and prostate cancer: The genotypic distribution of MMP-11 SNPs rs131451, rs738791, rs2267029, rs738792, and rs28382575 all conformed to this equilibrium in the prostate cancer patients (p = 0.191, χ2 value: 1.712; p = 0.504, χ2 value: 0.446; p = 0.126, χ2 value: 2.331; p = 0.109, χ2 value: 2.566 and p = 0.427, χ2 value: 0.632, respectively).