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Table 3 Diagnostic accuracy of lung ultrasound signs

From: Usefulness of lung ultrasound for early detection of hospital-acquired pneumonia in cardiac critically ill patients on venoarterial extracorporeal membrane oxygenation

 

Se

Sp

PPV

NPV

AUC

Color Doppler intrapulmonary flow

0.66 [0.51 – 0.78]

0.85 [0.66 – 0.94]

0.88 [0.77 – 0.99]

0.60 [0.44 – 0.75]

0.75 [0.65 – 0.85]

Dynamic air bronchogram

0.46 [0.32 – 0.60]

0.96 [0.79 – 1.00]

0.95 [0.86 – 1.00]

0.51 [0.37 – 0.65]

0.71 [0.66 – 0.79]

LUS-sCPIS

0.64 [0.49 – 0.76]

0.77 [0.56 – 0.89]

0.82 [0.61 – 0.90]

0.56 [0.39 – 0.72]

0.77 [0.67 – 0.88]

sCPIS

0.59 [0.44 – 0.72]

0.65 [0.46 – 0.80]

0.74 [0.60 – 0.88]

0.49 [0.33 – 0.64]

0.65 [0.52 – 0.78]

  1. LUS-sCPIS and sCPIS in the detection of VAP
  2. Se sensivity, Sp specificity, PPV  positive predictive value, NPV  negative predictive value, AUC  area under the curve, sCPIS simplified Clinical Pulmonary Infection Score, LUS-sCPIS Lung ultrasound-simplified Clinical Pulmonary Infection Score, where the "chest radiography" criterion is replaced by the presence or not of a color Doppler intrapulmonary flow within a consolidation, visualized using color Doppler