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Table 5 Diagnostic performances of CNN and endoscopist C in the per-image analysis

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

 

CNN

Endoscopist C

P value

Accuracy, % (95% CI)

83.2 (79.8–86.2)

63.9 (59.7–67.9)

 < 0.001

Sensitivity, % (95% CI)

76.4 (71.3–81.0)

50.2 (44.5–55.8)

 < 0.001

Specificity, % (95% CI)

92.3 (88.2–95.4)

82.1 (76.6–86.8)

0.001

PPV, % (95% CI)

93.0 (89.2–95.8)

78.9 (72.6–84.3)

 < 0.001

NPV, % (95% CI)

74.6 (69.2–79.5)

55.3 (49.9–60.6)

 < 0.001

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

ISSN: 1471-230X

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