The vertical bar chart shows that the prevalence of biomedical signs of CKD increased rapidly with age in 2011–12. Men aged 75 and over had higher rates than those aged 65–74 (43%25 compared to 26%25), while for women the rate in those aged 75 and over was 2.6 times as high as those aged 65–74 (42%25 compared to 16%25).