Figure 2

Receiver operating characteristics (ROC) curve comparing the discriminatory power of frequencies of CD4+CD28null Cells (AUC: 0.821) and NT-proBNP values (AUC: 0.533) for the development of POAF (p < 0.001).
Receiver operating characteristics (ROC) curve comparing the discriminatory power of frequencies of CD4+CD28null Cells (AUC: 0.821) and NT-proBNP values (AUC: 0.533) for the development of POAF (p < 0.001).