NPPB and apparent mineralocorticoid excess: In APE treated with CDT, the F values of BNP, TnI and DFR before and after operation in the middle risk stratification were 6.71, 4.77 and 4.05 respectively; F values of BNP, TnI and DFR in high-risk risk stratification before and after operation are 12.15, 5.62 and 5.76 respectively, as shown in Table 2.