Table 3.

The diagnostic performance of the CNN system and the EUS expert assessment

	EUS expert	CNN system
Sensitivity, %	60.5 (54.9–65.9)	92.0 (88.5–94.8)
Specificity, %	74.3 (62.4–83.9)	64.3 (51.9–75.4)
PPV, %	91.3 (87.5–94.1)	92.0 (89.4–94.1)
NPV, %	29.5 (25.7–33.7)	64.3 (54.3–73.2)
Accuracy, %	63.0 (57.9–67.9)	86.9 (83.2–90.2)
Kappa	0.219	0.563
p value	<0.001	>0.999

Values in parentheses are 95% CIs. CNN, convolutional neural network; NPV, negative predictive value; PPV, positive predictive value; CI, confidence interval; EUS, endoscopic ultrasonography.