From: A program to identify prognostic and predictive gene signatures
 Characteristic | Validation cohort | Training cohort |
---|---|---|
GSE2034 | GSE7390 | |
Samples | 286 | 198 |
Array type | U133A | U133A |
ER positive | 209 (73%) | 134 (68%) |
Median survival | 86Â months | 144Â months |
Survival at 10Â yrs | 62% | 69% |
 | Total arrays: 484 |