Skip to main content

Table 3 Sensitivity, specificity, negative predictive value (NPV), positive predictive value (PPV), and kappa statistics by disposition and oxygen requirement

From: Diagnostic accuracy of lung ultrasound for SARS-CoV-2: a retrospective cohort study

  Sensitivity Specificity NPV PPV Kappa
Disposition      
 Discharged from ED, N = 41 76.9 89.3 89.3 76.9 0.66
 Floor/IMC, N = 86 82.9 64.4 80.6 68.0 0.47
 ICU, N = 46 92.1 50.0 57.1 89.7 0.44
Oxygen requirement      
 None or nasal canula, N = 139 84.4 73.3 84.6 73.0 0.57
 HFNC, N = 10 88.9 100.0 50.0 100.0 0.62
 Intubation, N = 25 90.0 40.0 50.0 85.7 0.32