Table 1

Two-by-two contingency table

within DPClus cluster

without DPClus cluster

total


KEGG pathway

a

b

a+b


non-KEGG pathway

c

d

c+d


totals

a+c

b+d

n


a is the number of metabolites in the KEGG pathway belonging to the DPClus cluster, a+b indicates the total number of metabolites in the KEGG pathway, a+c the number of metabolites in the DPClus cluster, and n the total number of metabolites in the profiling data. Rows reflect presence/absence within the KEGG pathway. Columns contain each of the 2 DPClus clusters. For each KEGG pathway the metabolites belonging to the 2 comparison groups are shown.

Fukushima et al. BMC Systems Biology 2011 5:1   doi:10.1186/1752-0509-5-1

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