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Table 4 Statistical analysis of microarray versus QPCR results (37 genes)

From: A comparison of RNA amplification techniques at sub-nanogram input concentration

  Total 10 ug Baugh 500 pg Baugh 1 ng Baugh 10 ng Arcturus 250 pg Arcturus 500 pg Arcturus 1 ng BalPCR 0.667 ng BalPCR 3.33 ng
True Positives 18 14 13 14 15 16 15 18 17
False Positives 3 1 1 2 1 1 0 2 3
True Negatives 15 17 17 16 17 17 18 16 15
False Negatives 1 5 6 5 4 3 4 1 2
Sensitivity 94.74% 73.68% 68.42% 73.68% 78.95% 84.21% 78.95% 94.74% 89.47%
Specificity 83.33% 94.44% 94.44% 88.89% 94.44% 94.44% 100.00% 88.89% 83.33%
Total 37 37 37 37 37 37 37 37 37
% Correct 89.2% 83.8% 81.1% 81.1% 86.5% 89.2% 89.2% 91.9% 86.5%