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Table 4 Diagnostic performances of CNN and endoscopist B in the per-image analysis

From: Convolutional neural network-based system for endocytoscopic diagnosis of early gastric cancer

 

CNN

Endoscopist B

P value

Accuracy, % (95% CI)

83.2 (79.8–86.2)

84.1 (80.8–87.1)

0.75

Sensitivity, % (95% CI)

76.4 (71.3–81.0)

83.4 (78.8–87.3)

0.036

Specificity, % (95% CI)

92.3 (88.2–95.4)

85.1 (79.9–89.4)

0.019

PPV, % (95% CI)

93.0 (89.2–95.8)

88.2 (83.9–91.6)

0.063

NPV, % (95% CI)

74.6 (69.2–79.5)

79.4 (73.8–84.2)

0.74

  1. CNN, convolutional neural network; CI, confidence interval; PPV, positive predictive value; NPV, negative predictive value; AUC, area under the curve