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Table 1 2 × 2 contingency table for ORA

From: Centrality-based pathway enrichment: a systematic approach for finding significant pathways dominated by key genes

  In the pathway Else Total
Differential 40 960 1000
Else 160 8840 9000
Total 200 9800 10000
  1. The simulated microarray contains 10000 genes of which 1000 genes are differentially expressed. The novel pathway contains 200 genes of which 40 are differential genes.