NPPB and stroke disorder: The interpretation of the nomogram is as follows: For example, one patient with NIDCM had no history of stroke (0 points), with a pulse pressure of 45 mmHg (0 points), and biochemical examination showed that D-dimer was positive (52 points), the WBC was 12 × 109/L (33 points), hs-CRP was 8 mg/L (55 points), hematocrit was 0.55 (100 points), and NT-proBNP was 3600 pg/mL (89 points).