Table 2.
Chest ultrasound profiles based on N-terminal pro-brain-type natriuretic peptide
| Thoracic ultrasound profile | proBNP positive in relation to age | Negative proBNP | Total |
|---|---|---|---|
| B-profile | 46 | 1 | 47 |
| A-profile | 4 | 10 | 14 |
| Total | 50 | 11 | 61 |
| Variable | Value | 95 % confidence interval |
|---|---|---|
| Sensitivity | 0.92 | 0.812–0.968 |
| Specificity | 0.91 | 0.623–0.98 |
| Positive predictive value | 0.97 | 0.889–0.996 |
| Negative predictive value | 0.714 | 0.454–0.883 |
| LR+ | 10.12 | 1.559–65.697 |
| LR− | 0.088 | 0.034–0.229 |
LR+ positive likelihood ratio, LR− negative likelihood ratio