Fig. 4From: Cost-minimisation analysis of plasma exchange versus IVIg in the treatment of autoimmune neurological conditionsTornado chart depicting the base case one way sensitivity analysis. The base case price difference between PLEX and IVIg procedures is -£892. The blue bars represent the parameters (y-axis) at maximum value. The red bars represent the parameters at minimum value. Actual figures used to make this chart are available in supplementary table 4Back to article page