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. 2017 Aug 28;2(4):434–446. doi: 10.1016/j.jacbts.2017.04.003

Figure 7.

Figure 7

Sensitivity Index Heatmap

The main sensitivity indices (Si), total sensitivity indices (SiT), and interaction effects are displayed for the 4 input parameters: RCMV, geometry parameters (z1 and z2), and average proximal pressure (Pa). The axis on the right indicates the magnitude of the influence on output (vFFR) result, with higher values having a stronger influence on result. CMV resistance is the dominant influence on vFFR result. CMV = coronary microvascular; RCMV = CMV resistance; other abbreviations as in Figure 3.