Table 1. DNA microarray validation: Spearman correlation analysis of normalized DNA microarray data and corresponding qPCR results for the whole set of samples.

Target gene	Spearman R
CCNB2 (probe 1)	0.9306***
CCNB2 (probe 2)	0.9281***
CCNB2 (probe 3)	0.9103***
CDC20	0.9158***
CDCA8	0.9241***
CENPP	0.7348***
FEN1	0.7797***
FOXM1 (probe 1)	0.8014***
FOXM1 (probe 2)	0.8571***
GSN (probe 1)	0.8228***
GSN (probe 2)	0.9256***
GSN (probe 3)	0.9059***
KPNA2 (probe 1)	0.5392***
KPNA2 (probe 2)	0.6434***
NUF2 (probe 1)	0.8869***
NUF2 (probe 2)	0.9538***
NUF2 (probe 3)	0.9453***
NUSAP1	0.8851***
PRC1 (probe 1)	0.9650***
PRC1 (probe 2)	0.9439***
RAD51	0.9075***
UBE2S (probe 1)	0.5951***
UBE2S (probe 2)	0.7484***
UBE2S (probe 3)	0.7752***

***p<0.001; statistical analysis was performed for each target gene-specific probe available on the array.