There were no correlation between miR-130b and clinical features of PC patients, including age, gender, tumour size, smoke, lymphatic metastasis, vital status, stage, vascular invasion, hypertension, diabetes, carcinoembryonic antigen (CEA) level, and carbohydrate antigen19-9 (CA19-9) level, as shown in Table 7. This evidence concerns the gene CEACAM5 and diabetes mellitus.