Table 1

Performances of the monoclonal stool antigen test according to age group, and for all children

Age group (y)n (Hp+)SensitivitySpecificityAccuracyPPVNPV
PPV, positive predictive value; NPV, negative predictive value.
Hp+, Helicobacter pylori positive.
Values are median [5th–95th percentiles].
<6116 (18)94.4 [72.7–99.9]98.0 [92.8–99.8]97.4 [92.6–99.5]89.5 [66.9–98.7]99.0 [94.4–99.9]
≥6–<12106 (42)97.6 [87.4–99.9]100 [94.4–100]99.1 [94.9–99.9]100 [91.4–100]98.5 [91.7–99.9]
≥12–<1880 (32)100 [89.1–100]100 [92.6–100]100 [95.5–100]100 [89.1–100]100 [92.6–100]
All children302 (92)97.8 [92.4–99.7]99.0 [96.6–99.9]98.7 [96.6–99.6]97.8 [92.4–99.7]99.0 [96.6–99.9]