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Ultrasonography in detecting correct placement of the ETT
| Statistical test | Value (%) | 95% Confidence interval | |
|---|---|---|---|
| Lower limit | Upper limit | ||
| Specificity | 100 | 47.82 | 100 |
| Sensitivity | 99.17 | 95.44 | 99.98 |
| Positive predictive value | 100 | 96.95 | 100 |
| Negative predictive value | 83.33 | 35.88 | 99.58 |
