Number, age- and sex-adjusted standard prevalence rate (SPR) and their 95% CIs of dialysis patients in each subgroup of population in 2011 in Hiroshima, Japan (total population n = 2,828,506 and census block n = 1,867 for the analysis).

IQR, interquartile range; Obs, observation number of dialysis patient; SPR, standard prevalence rate; CI: 95% confidence interval.aTotal observation number was smaller than the total observation number of all populations due to lack of population numbers in census block.