The prognostic value of systemic immune-inflammation index in heart failure: systematic review and diagnostic test accuracy meta-analysis
Heart failure (HF) is one of the most common clinical syndromes and a leading cause of morbidity and mortality in the world, affecting 64 million people. The Systemic Immune-Inflammation Index (SII) is a new composite biomarker from standard blood tests that also reflects the imbalance between inflammation and immune r...