NPPB and Tricuspid regurgitation: The results indicated significantly statistical differences in gender, age, BMI, LVEF category, NYHA classification, tricuspid regurgitation, PASP, DBP, WBC, NEUT, TG, TL, ALB, TC, HDL-C, LDL-C, AST, Cr, NT-proBNP, HF treatment with furosemide, spironolactone, ACEI/ARB/ARNI, digitalis and beta-blockers, complicated with pulmonary inflammation, and all-cause mortality rate across different CONUT score groups.