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Figure 2 All-Cause Mortality by TnI and H-FABP Clinical Cutoff Values
(A) Kaplan-Meier mortality curves for patients with either TnI  0.06 µg/l (unstable angina) or TnI >0.06 µg/l (MI inclusive of STEMI/BBBMI) according to the H-FABP cutoff value of 5.8 µg/l. One-year univariable hazard ratios for each group relative to TnI–/H-FABP– patients are: TnI+/H-FABP– 2.38 (95% CI 0.48 to 11.65; p = 0.29), TnI–/H-FABP+ 4.93 (95% CI 1.09 to 22.30; p = 0.038), and TnI+/H-FABP+ 7.11 (1.71 to 29.64; p = 0.007). (B) Cox regression mortality curves for patients with either TnI 0.06 µg/l (unstable angina) or TnI >0.06 µg/l (MI inclusive of STEMI/BBBMI) according to the H-FABP cutoff value of 5.8 µg/l. One-year multivariable (GRACE risk factors plus hs-CRP) hazard ratios for each group relative to TnI–/H-FABP– patients are: TnI+/H-FABP– 2.31 (95% CI 0.49 to 10.90; p = 0.29), TnI–/H-FABP+ 5.21 (95% CI 1.21 to 22.47; p = 0.027), and TnI+/H-FABP+ 7.41 (95% CI 1.83 to 30.00; p = 0.005). BBBMI = bundle branch block myocardial infarction; MI = myocardial infarction; STEMI = ST-segment elevation myocardial infarction; TnI = troponin I; other abbreviations as in Figure 1.
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