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Table 3 Chest imaging and diagnostic criteria of selected studies

From: Lung ultrasound for the diagnosis of pneumonia in adults: a systematic review and meta-analysis

Study Imaging Pneumonia diagnosis Patient type Inclusion criteria Ultrasound operator Diagnostic criteria Blinding
Benci et al.[31] CXR + chest CT if CXR/LUS discordance Clinical diagnosis or imaging Hospitalized Pneumonia symptoms Experienced physicians Consolidation Yes
Lichtenstein et al.[32] Chest CT Imaging only Critically Ill Acute respiratory distress syndrome Experienced physicians Consolidation Yes
Lichtenstein et al.[33] Chest CT Imaging only Critically ill Chest pain or severe thoracic disease Two ED physician sonographers Consolidation Yes
Lichtenstein et al.[34] CXR + chest CT if possible Clinical diagnosis or imaging Critically Ill Acute respiratory failure Experienced physicians Alveolar and interstitial Yes
Parlamento et al.[35] CXR + chest CT if CXR/LUS discordance Imaging only Presented to ED CAP symptoms Experienced physician Alveolar and interstitial Yes
Cortellaro et al.[21] CXR + chest CT if possible Clinical diagnosis or imaging Presented to ED CAP symptoms Experienced physicians Alveolar and interstitial Yes
Xirouchaki et al.[38] Chest CT scan Imaging only Critically ill Mechanically ventilated patients scheduled for chest CT scan Single physician (Expertise not mentioned) Consolidation Yes
Reissig et al.[22] CXR + chest CT if CXR/LUS discordance Clinical diagnosis or Imaging Presented to ED or hospitalized CAP symptoms Experienced physicians Consolidation Yes
Testa et al.[36] CXR + chest CT if possible/indicated Clinical diagnosis or imaging Presented to ED Suspected H1N1 infection Experienced physicians Alveolar and interstitial Yes
Unluer et al.[37] CXR + chest CT if possible/indicated Imaging only Presented to ED CAP symptoms Trained emergency physicians Alveolar and interstitial Yes
  1. LUS lung ultrasound, CXR chest X ray, CT computerized tomography, ER emergency department, ICU intensive care unit, CAP community acquired pneumonia, US ultrasound.