NPPB and heart failure: For reference, a separate logistic regression model with two parameters, (1) the Seattle Heart Failure Model (SHFM) score substituted for the clinical covariates (BNP, creatinine, and prior CABG surgery) and (2) CMR activation time at the LV lead implant site ≥ 34 ms, had an AUC of 0.77 for 4-year survival (Figure 6B).