Figure 1From: Optimal and continuous anaemia control in a cohort of dialysis patients in Switzerland Study design. This was a prospective, observational survey in selected patients lasting from December 2003 (for the first patients included) to March 2005 (for the last patients included). Each single patient was observed during 12 months. Demographic and medical parameters, as specified in the figure, were collected at baseline, and then on a monthly basis.Back to article page