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BNP levels at different states of cardiac function.
| Cardiac function classification | Number of examples | BNP concentration (pg/mL) |
|---|---|---|
| NYHA Class II | 19 | 371.52 ± 14.25 |
| NYHA Class III | 13 | 552.68 ± 15.41∗ |
| NYHA Class IV | 27 | 823.45 ± 17.36∗# |
∗p < 0.05 compared with NYHA Class II; #p < 0.05 compared with NYHA Class III.
