Table 2 Summary of training and validation cohorts used for predictive signature
From: A program to identify prognostic and predictive gene signatures
 Characteristic | Discovery cohort | Validation cohort |
|---|---|---|
GSE25055 | GSE25065 | |
Samples | 310 | 198 |
Array type | U133A | U133A |
ER positive | 174 (56%) | 123 (62%) |
RCB0/I vs RCBII/III | 86 (29%) | 32 (27%) |
| Â | Total arrays: 508 | |