Fig. 1From: Health-related quality of life and health preference of Chinese patients with diabetes mellitus managed in primary care and secondary care setting: decrements associated with individual complication and number of complicationsFlowchart of patient recruitment and interview. *Some subjects had more than one complications. CKD, chronic kidney disease; ESRD, end-stage renal disease; NPDR, non-proliferative diabetic retinopathy; PDR, proliferative diabetic retinopathy; STDR, sight-threatening diabetic retinopathyBack to article page