Heart failure patients classified as NYHA IV have a higher incidence of DVT (NYHA III: 31.3%, NYHA IV: 70%, p=0.0001).
Bệnh nhân suy tim NYHA IV có tỉ lệ HKTMS cao hơn (NYHA III: 31,3%, NYHA IV: 70%, p= 0,0001).