Table 3.
Discrimination and Net Reclassification for Readmission Models Using the 7187 Patients With Both Admission and Discharge BNP
| C‐Statistic | P Value | Net Reclassification Improvement (NRI) (%) | P Value | |
|---|---|---|---|---|
| 30‐day heart failure readmission | ||||
| Base clinical model | 0.639 | Reference | Reference | |
| Base clinical model+discharge BNP | 0.664 | <0.0001 | 9.0 | <0.0001 |
| Base clinical model+admission BNP | 0.649 | 0.14 | 2.7 | 0.07 |
| Base clinical model+change in BNP | 0.662 | <0.0001 | 7.9 | <0.0001 |
| 30‐day all‐cause readmission | ||||
| Base clinical model | 0.625 | Reference | Reference | |
| Base clinical model+discharge BNP | 0.634 | 0.002 | 5.4 | <0.0001 |
| Base clinical model+admission BNP | 0.628 | 0.07 | 3.4 | 0.004 |
| Base clinical model+change in BNP | 0.631 | 0.03 | 4.3 | 0.0003 |
| 30‐day readmission for other causes | ||||
| Base clinical model | 0.596 | Reference | Reference | |
| Base clinical model+discharge BNP | 0.601 | 0.23 | 2.6 | 0.15 |
| Base clinical model+admission BNP | 0.600 | 0.13 | 1.0 | 0.17 |
| Base clinical model+change in BNP | 0.603 | 0.14 | 2.6 | 0.13 |
BNP indicates B‐type natriuretic peptide.