NOS3 and myocardial ischemia: In the subgroup of patients who underwent both cardiac stress tests and coronary angiography (n = 255) the eNOS 298Asp genotype remained associated with an increased prevalence of inducible myocardial ischemia even after adjustment for the presence of obstructive CAD (OR 2.1; CI 1.2–3.7, p = 0.01) (Table 3).