Table 1 Summary of the two data sets involved in this experiment
Data set | van de Vijver | TRANSBIG |
|---|---|---|
Purpose in this experiment | biomarker discovery | biomarker validation |
Microarray platform | Agilent Hu25K | Affymetrix HG-U133A |
No. of Patients | 295 | 198 |
Age | <53 | <61; mean = 46 |
ER status (pos/neg) | 226/69 | 134/64 |
Lymph node (pos/neg) | 144/151 | 0/198 |
Systemic treatment | some | none |
Data location or GEO accession | http://bioinformatics.nki.nl/data.php | GSE7390 |