Diagnostic characteristics of B type natriuretic peptide levels for detecting congestive heart failure in patients with dyspnea*
| Cut points (pg/ml) | Sensitivity (95% CI) | Specificity (CI) | +LR | −LR |
|---|---|---|---|---|
| *Diagnostic terms defined in glossary. | ||||
| 150 | 85% (82 to 88) | 83% (80 to 85) | 5.00 | 0.18 |
| 125 | 87% (85 to 90) | 79% (76 to 82) | 4.14 | 0.16 |
| 100 | 90% (88 to 92) | 76% (73 to 79) | 3.75 | 0.13 |
| 80 | 93% (91 to 95) | 74% (70 to 77) | 3.58 | 0.09 |
| 50 | 97% (96 to 98) | 62% (59 to 66) | 2.55 | 0.05 |