Fig. 1From: Access-related infections in two haemodialysis units: results of a nine-year intervention and surveillance programa, b The proportions of patients with each mode of vascular access (tunnelled catheter, AV graft or fistula) in Unit A (a) and Unit B (b) units. Summarized proportions could exceed 100% since some patients had both a tunnelled catheter and an AV fistula or graft in the same time until the fistula or graft were fully operationalBack to article page