Table 3 Predicting gastric cancer based on serum PG I level and PG I/II ratio
PG I level | PG I/II ratio | |
|---|---|---|
Area under the ROC curve | 0.880 (0.835-0.925) | 0.876 (0.827-0.925) |
Optimal cult-off value | 70.1 μg/L | 6 |
Sensitivity, % | 82.1 | 82.9 |
Specificity, % | 72.5 | 76.8 |
Positive predictive value, % | 68.2 | 64.6 |
Negative predictive value, % | 82.3 | 82.3 |
Accuracy, % | 77.2 | 75.8 |