We also found that in the IHD group there was a significant correlation between IGFBP7 concentration and the markers of heart injury/overload, TnT and NT-BNP (r = 0.76, p < 0.001 and r = 0.72, p < 0.001; respectively), as seen in Figure 3a,b. Here, IGFBP7 is linked to myocardial ischemia.