Association between the genotypes of MMP-1 SNPs and clinicopathological characteristics of gastric cancer patients.

P value, ORs and 95% CIs were calculated by unconditional binary logistic regression (using SPSS v16 software) with respective reference genotypes. (a) Adjusted with Sex. (b) Adjusted with Age. (c) Adjusted with Age, Sex, and Addiction. Values in bold indicate positive significance (P<0.05). (*) Histological classification is dependent on the basis of glandular architecture of adenocarcinoma. WD = Well differentiated, MD = Moderately differentiated, PD = poorly differentiated. (¥) Tumor stage is classified according to the criterion of the American Joint Committee on Cancer (AJCC) and the International Union Against Cancer (UICC) TNM stage grouping [25]. (#) Depth of tumor defined according to the criterion of AJCC.