Table 1.

Clinical features for patients available in the two discovery datasets from TCGA.

	Discovery dataset 1			Discovery dataset 2
	Long-term surv.	Short-term surv.	P	Long-term surv.	Short-term surv.	P
Number of patients	127	336	–	116	275	–
Sex
Female	55	122	0.198	49	96	0.172
Male	72	214		67	179
Age	49.2 ± 14.7	60.7 ± 13.2	4.34e-13	49.7 ± 14.5	60.0 ± 13.7	4.55e-10
Year of diagnosis	2003 ± 4.4	2004 ± 5.1	0.162	2003 ± 4.2	2003 ± 4.9	0.797
Race
Asian	5	4	0.178	5	4	0.200
Black	8	17		8	14
White	113	298		102	241
Not reported	1	17		1	16
Ethnicity
Hispanic or latino	2	8	0.731	1	7	0.443
Not hispanic or latino	111	276		105	234
Not reported	14	52		10	34
Neoadjuvant therapy
Yes	68	160	0.250	64	137	0.375
No	57	172		51	134
Not reported	2	4		1	4

Note: t test was performed for age and year of diagnosis. For other clinical features, Fisher exact test was performed, excluding unreported values.

Abbreviation: Surv., survival.