|
Test accuracy of NT-proBNP and the clinical risk score for identifying left ventricular systolic dysfunction.* |
|||||||
| True Positive |
False Positive |
False Negative |
True Negative |
Sensitivity (%) |
Specificity (%) |
Likelihood ratio of negative result (95% CI) |
|
|
|
|||||||
| NT-proBNP (< 98.5 pg/ml) |
21 |
282 |
2 |
237 |
91 (71 to 98) |
46 (41 to 50) |
0.19 (0.05 to 0.71) |
| Risk score (< 1.11) |
21 |
189 |
2 |
330 |
91 (71 to 98) |
64 (59 to 67) |
0.14 (0.04 to 0.51) |
|
*At cut-off points with comparable high sensitivity and moderate specificity in order to rule out left ventricular dysfunction in case of a negative result (SnNout; very high sensitivity: negative result rules out the diagnosis/disease. Values in parentheses are 95% confidence intervals. | |||||||
Koschack et al. BMC Family Practice 2008 9:14 doi:10.1186/1471-2296-9-14 |
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