Research Article

Correlation between the Serum Platelet-Derived Growth Factor, Angiopoietin-1, and Severity of Coronary Heart Disease

Figure 4

Kaplan–Meier curves of 3-year major adverse cardiac and cerebrovascular events risk stratified by the tertiles of the cellular factor level. ((a) PDGF in peripheral blood; (b) PDGF in the coronary sinus; (c) Ang-1 in peripheral blood, and (d) Ang-1 in the coronary sinus).