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Table 1 Description of the datasets used in this study

From: A qualitative transcriptional signature to reclassify histological grade of ER-positive breast cancer patients

DatasetsPlatformHG1HG2HG3#Genes
Training datasets
 GSE19615Affymetrix array232520,486
 GSE21653Affymetrix array374720,486
 GSE1456Affymetrix array264012,432
 GSE3494Affymetrix array623312,432
 EGAD00010000210aIllumina beadchip3022125,186
 EGAD00010000211aIllumina beadchip3512525,186
 TCGAIllumina HiSeq 20005817020,720
Validation datasets
 GSE7390Affymetrix Array29683512,432
 GSE6532Affymetrix Array29311212,432
 GSE4922Affymetrix Array48601112,432
 EGAbIllumina beadchip351204625,186
  1. Note: a denoted dataset provided by the Molecular Taxonomy of Breast Cancer International Consortium (METABRIC) [40]. EGAb denoted dataset integrated from EGAD00010000210 and EGAD00010000211