High-definition optical magnification with digital chromoendoscopy detects gastric mucosal changes in dyspeptic-patients

Table 3 Predictive performance of the endoscopic microvascular patterns

	Sensitivity, % (95%CI)	Specificity, % (95%CI)	PPV, % (95%CI)	NPV, % (95%CI)	Accuracy, %
Type I1	90.0 (55.5-99.8)	79.0 (66.8-88.3)	40.9 (20.7-63.7)	90.0 (89.4-99.9)	80.5
Type IIa–IIb2	91.4 (76.9-98.2)	78.4 (61.8-90.2)	80.0 (64.4-90.9)	90.6 (74.9-98.0)	84.7
Type III3	66.7 (9.4-99.2)	88.4 (78.4-94.9)	20.0 (2.5-55.6)	98.4 (91.3-99.9)	87.5

¹Ability to predict histologically normal mucosa;

²Ability to predict Helicobacter pylori infection;

³Ability to predict mucosal atrophy. CI: Confidence interval; NPV: Negative predictive value; PPV: Positive predictive value.