Table 7. Diagnostic performance of suprasternal and subxiphoid ultrasonography for endotracheal tube confirmation compared to continuous capnography.
CI: confidence interval
Parameter | Estimate | Lower-upper 95% Cis |
Sensitivity | 100% | 92.86-100 |
Positive predictive value | 100% | 92.86-100 |
Diagnostic accuracy | 100% | 92.86-100 |