Figure 2
The cost-effectiveness plane with incremental costs and effects for 55-year old patients [A], 65-year old patients [B], and 75-year old patients [C]. These figures show the incremental effects (x-axis) and incremental costs (y-axis) of the modified TEE strategy. Each of the 12 subgroups is visualized by an ellipsoid that represents the combined bivariate 95% confidence interval (CI) for incremental costs and effects, and a symbol denoting the mean incremental costs and effects. The scales of the axes in Figures 2A-C are not similar, as the range of incremental costs and effects increases with patient age.