Fig. 1From: Prevalence and risk factors for cardiovascular disease among chronic kidney disease patients: results from the Chinese cohort study of chronic kidney disease (C-STRIDE)The distribution of the 39 clinical sites of the C-STRIDE Study and population size of each province in China in 2013. a The distribution of the clinical sites in China. The hollow triangles represent for the clinical sites in China. b The population size of each province in China in 2013Back to article page