a slight trendp = 0.087
There was a slight trend between the control cohort and CAD patients with normal EF (1852 ± 759 vs. 2178 ± 1108 pg/mL, p = 0.087), whereas there was a steep increase between normal EF and EF 31–52% (2178 ± 1108 vs. 2851 ± 1260 pg/mL, p < 0.001) ( Figure 1 ).