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Table 2 Results of readers with and without CAD

From: Artificial intelligence-supported lung cancer detection by multi-institutional readers with multi-vendor chest radiographs: a retrospective clinical validation study

  General physicians Radiologists Overall Ratio 95% Confidence Interval  
  Non-CAD CAD Non-CAD CAD Non-CAD CAD (CAD/Non-CAD) Lower Upper P value
Sensitivity 0.47 0.60 0.51 0.60 0.49 0.60 1.22 1.14 1.30 < 0.001
Specificity 0.96 0.97 0.96 0.96 0.96 0.97 1.00 1.00 1.01 0.221
Accuracy 0.87 0.90 0.87 0.90 0.87 0.90 1.03 1.02 1.04 < 0.001
Positive Predictive Value 0.75 0.82 0.76 0.80 0.75 0.81 1.07 1.03 1.11 0.002
Negative Predictive Value 0.89 0.91 0.89 0.91 0.89 0.91 1.02 1.01 1.03 < 0.001
  1. CAD: computer-assisted detection