Diagnostic accuracy of ultrasound (US) in the interstitial syndrome: evidence from systematic reviews
| Number of studies | Population, unit of analysis | US features | Reference standard | Prevalence and number | Sensitivity | Specificity | |
| Acute cardiogenic pulmonary oedema | |||||||
| Al Deeb 2014 [94] | 7 studies | Patients presenting with undifferentiated dyspnoea By patient | US criteria not restricted as long as B-lines were used | 5 studies: blinded chart review 2 studies: final diagnosis | 45% of 1075 patients | 94.1% | 92.4% |
| Martindale 2016 [95] | 8 studies | Adults presenting to ED with dyspnoea By patient | At least 3 B-lines in each lung Performed by emergency specialists | Clinical diagnosis by independent reviewers blinded to index test result | 45.6% of 1914 patients | 85.3% | 92.7% |
ED: emergency department.