The base + GRACE model showed a modest reclassification benefit with an NRI of 0.009 (95% CI: −0.006 to 0.025, p = 0.232), although this did not reach statistical significance.
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The Role of the Inflammatory Prognostic Index in Patients with Non-ST Elevation Myocardial Infarction Undergoing Percutaneous Coronary Intervention.
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The sentences
The progressive improvement from base + GRACE (borderline significant) to base + GRACE + IPI (highly significant) suggests that the combination of inflammatory biomarkers provides substantial enhancement to cardiovascular risk prediction beyond traditional risk factors alone.