Effective use of the Japan Narrow Band Imaging Expert Team classification based on diagnostic performance and confidence level

Table 5 Deep submucosal invasive cancer (type 3) vs other neoplasia (type 2A, 2B)

First author	Sumimoto	Komeda	Our study
Accuracy, %	96.4	93.5	99.6
Sensitivity, %	55.4	29.4	62.7
Specificity, %	99.8	100.0	100.0
PPV, %	95.2	100.0	94.9
NPV, %	96.4	93.4	99.6

PPV: Positive predictive value; NPV: Negative predictive value.