IFNA1 and coronary artery disorder: The level of IL‐12p70 in the UA group was lower than both the non‐CAD group (p < .01) and the SAP group (p < .05), while IFN‐α (p < .01) and IFN‐γ (p < .05) showed statistical differences between the UA group and the non‐CAD group, but not between the SAP group and the non‐CAD group.