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Table 3 Diagnostic accuracy of the mini-array for an independent series of 30 gastric cancers

From: The development of a mini-array for estimating the disease state of gastric adenocarcinoma by array CGH

  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)