TNNI3 and coronary artery disorder: Multivariable Cox regression analysis showed that both SI (HR 1.52, 95% CI 1.06–2.19, P = 0.02) and elevated hs-cTnI level (HR 3.18, 95% CI 2.07–4.89, P < 0.01) were independent predictors of MACE in patients with stable CAD (Table 3).