Table 3 Diagnostic accuracy of the mini-array for an independent series of 30 gastric cancers
Node Metastasis | Liver Metastasis | Peritoneal Dissemination | Advanced cancers | |
|---|---|---|---|---|
Accuracy | ||||
Method1 | 19/30 (63.3%) | 27/30 (90.0%) | 25/30 (83.3%) | 29/30 (96.6%) |
Method 2 | 20/30 (66.7%) | 26/30 (86.7%) | 26/30 (86.3%) | - |
Overall Accuracy | 20/30 (66.7%) | 26/30 (86.7%) | 26/30 (86.7%) | 29/30 (96.7%) |
Sensitivity | 20/21 (0.95) | 2/3 (0.67) | 1/5 (0.20) | 27/27 (1.0) |
Specificity | 0/9 (0.0) | 24/27 (0.89) | 25/25 (1.0) | 2/3 (0.67) |
False positive | 9/9 (1.0) | 3/27 (0.11) | 0/25 (0.0) | 1 (over-diagnosis) |
False negative | 1/21 (0.05) | 1/3 (0.33) | 4/5 (0.80) | 0 (under-diagnosis) |