Fig. 1From: The characteristics of the older dialysis population—heterogeneity and another type of altered risk factor patternsTrends of the proportions of patients by age group in the Japanese dialysis population. The numbers of dialysis patients have increased over more than the past 30 years. The increase can be attributed to the increase in the number of patients with 70 years of age and over, at least during the past ten years. Adopted from reference [1] with permissionBack to article page