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Table 2 Diagnostic performances of CNN and endoscopists

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

  

Per–image

Per–lesion

Accuracy, % (95% CI)

CNN

83.2 (79.8–86.2)

86.1 (75.9–93.1)

Endoscopists

76.8 (74.6–78.8)

82.4 (76.7–87.2)

Sensitivity, % (95% CI)

CNN

76.4 (71.3–81.0)

82.1 (66.5–92.5)

Endoscopists

73.4 (70.4–76.2)

79.5 (71.0–86.4)

Specificity, % (95% CI)

CNN

92.3 (88.2–95.4)

90.9 (75.7–98.1)

Endoscopists

81.3 (78.2–84.1)

85.9 (77.4–92.0)

PPV, % (95% CI)

CNN

93.0 (89.2–95.8)

91.4 (76.9–98.2)

Endoscopists

83.9 (81.2–86.4)

86.9 (79.0–92.7)

NPV, % (95% CI)

CNN

74.6 (69.2–79.5)

81.1 (64.8–92.0)

Endoscopists

69.6 (66.4–72.8)

78.0 (69.0–85.4)

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