Table 2 Comparison of various methods for diagnosing H. pylori infection in children with gastritis, using gold standard (GS) or mucosal florescent quantitative PCR (mfqPCR) as the reference
Routine histology | RUT | 13C-UBT | Gastric fluid PCR | Dental plaque PCR | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Standard | GS | mfqPCR | GS | mfqPCR | GS | mfqPCR | GS | mfqPCR | GS | mfqPCR |
Sensitivity % | 92.1 | 76.1 | 92.1 | 76.1 | 81.6 | 60.9 | 84.2 | 69.6 | 78.9 | 65.2 |
Specificity % | 100.0 | 100.0 | 90.0 | 89.1 | 97.0 | 96.7 | 100.0 | 100.0 | 100.0 | 100.0 |
PPV % | 100.0 | 100.0 | 77.8 | 77. 8 | 90.3 | 90.3 | 100.0 | 100.0 | 100.0 | 100.0 |
NPV % | 97.1 | 89.3 | 96.8 | 88.2 | 90.1 | 83.2 | 94.3 | 86.8 | 92.6 | 85.2 |