Table 1. Descriptive statistics for data sets used in this study.

	Discovery	Validation
Study	TCGA [2]	Australian [14]	Japanese [1]	US [13]
n	503	240	260	134
GEO Array Type	GPL570*	GPL570	GPL6480	GPL96
GEO identifier	NA	GSE9891	GSE32062	GSE3149
Age (Range)	59.7 (30–89)	60.2 (23–80)	NA	NA
Stage (% III, IV)	92%	5%	100%	NA
Grade (% 3,4)	87%	61%	50%	NA
Residual Disease (% None)	23%	27%	40%	NA
Neoadjuvant (% Yes)	0%	7%	0%	NA
Median Months OS	44 (40–48)	44 (38–57)	60 (50–80)	74 (35–98)
Median Months PFS	18 (15–19)	15 (14–18)	19 (18–23)	NA

^* TCGA uses 3 array types. Only the Affymetrix array was used for completeness.