Research Article

Comparison of Merging and Meta-Analysis as Alternative Approaches for Integrative Gene Expression Analysis

Table 3

Number of differentially expressed genes (DEGs) for all merged data sets.

BERM(i) No. of DEGs(ii) No. of DEGs No. of DEGs(iii)
(resamp.)(intersection)

NONE 131 112 102
BMC 124 109
COMBAT 125 110
DWD 125 111
XPN 143 123

(i)BERM: batch effect removal method. (ii)Number of DEGs found on the complete data set without resampling. (iii)Number of DEGs in the intersection of the DEG lists for all batch effect removal methods after using resampling.