Fig. 2

Venn diagram demonstrating the number individuals identified with chronic kidney disease (CKD). Three main approaches were utilised: an estimated glomerular filtration rate of < 60 mL/min based on at least 2 blood tests taken at least 90 days apart; proteinuria demonstrated on two urine tests taken at least 90 days apart; a Read code consistent with a diagnosis of CKD. Data shown are number of individuals (percentage of population)