Table 3. Clinical data availability.

Clinical variable	Available in N datasets
IMS	13
IBS	13
IDS	13
ICR	13
DMFS 10Y EVENT	13
DMFS 10Y TIME	13
Disease free survival event	11
Disease free survival time	11
Distant metastasis free survival event	6
Distant metastasis free survival time	6
Age at initial pathologic diagnosis	8
Lymph node status	8
ER status	8
PR status	5
Histology differentiation grade	7
Tumor size	8
Pathology T Stage	8
Type treatment, bone metastasis event, bone metastasis free survival time, breast cancer cause of death, HER2 status, histologic diagnosis, lung metastasis event, lung metastasis free survival time, lung metastasis gene expression signature status, vital status, angio invasion indicator, disease specific survival time, genetic grade signature status sws classifier, GGI indicator, lymph nodes examined count, number of lymph nodes positive, lymphocyte infiltration, molecular subtype, NPI, overall survival, p53 mutation status, probability by sws classifier, RFS 5Y EVENT, risk AOL indicator, risk NPI indicator, risk SG, risk veridex indicator, tissue type, van 't Veer signature.	<2