Table 1.
Comparison of accuracy of gastric cancer detection by each serum pepsinogen test index
| Serum PG test |
Our results[25] |
Meta-analysis of reported cases[26] |
||
| Sensitivity (95% CI) | Specificity (95% CI) | Pooled sensitivity (95% CI) | Pooled specificity (95% CI) | |
| PG I ≤ 70 and PG I/II ≤ 3 (PG index 1+) | 58.70% (45.6-70.8) | 73.40% (72.1-74.6) | 77.30% (69.8-83.8) | 73.20% (72.8-73.6) |
| PG I ≤ 50 and PG I/II ≤ 3 (PG index 2+) | 49.20% (36.5-62.0) | 80.50% (79.4-81.6) | 68.40% (59.1-76.8) | 69.30% (66.6-70.0) |
| PG I ≤ 30 and PG I/II ≤ 2 (PG index 3+) | 27.00% (16.9-39.9) | 92.00% (91.3-92.8) | 51.90% (40.3-63.5) | 84.40% (83.7-85.0) |
PG: pepsinogen.