ABO blood type, diabetes and risk of gastrointestinal cancer in northern China

Figure 1 Distributions of clinical traits among different patient groups. A: Sex distribution in different patient groups. Blank areas in this figure represent missing values. Y axis represents sex composition. Grey color represents female individuals, black color represents male individuals; B: Proportion of male patients in different age groups with various cancers, and in healthy controls. Different colors represent different age groups. Y axis represents male ratio; C: Age distribution of different patient groups; D: Frequency of family cancer history (positive or negative) among different population groups; E: Proportion of population with HBsAg among different population groups. Grey color represents HBsAg-positive groups. Black color represents HBsAg-negative groups; F: Proportion of patients with diabetes among different population groups. Grey color represents diabetes-positive groups. Black color represents diabetes-negative groups.