H19 and in situ carcinoma: Regarding H19 rs217727, there are no statistically significant differences between the genotypic and allelic frequencies of the diabetic and non-diabetic hypertensive CIS cases (p = 0.8, and p = 0.775, respectively) or the diabetic and non-diabetic non-hypertensive CIS cases (p = 0.989, and p = 0.927, respectively) (Supplementary Table S3).