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Table 1 Studies included in analysis

From: A robust prognostic signature for hormone-positive node-negative breast cancer

Study GSE Total samples ER+/LN-/ untreateda/outcome Duplicates removed ER+/HER2-array 10-year relapse 10-year no relapse
Desmedt, 2007 [3] GSE7390 198 135 135 116 42 60
Ivshina, 2006 [4] GSE4922 290 133 2 2 0 2
Loi, 2007 [5] GSE6532 327 170 43 40 10 5
Miller, 2005 [6] GSE3494 251 132 115 100 30 52
Schmidt, 2008 [7] GSE11121 200 200b 200 155 25 46
Sotiriou, 2006 [8] GSE2990 189 113 48 45 12 15
Symmans, 2010 [9] GSE17705 298 175 110 102 12 41
Wang, 2005 [10] GSE2034 286 209 209 173 67 29
Zhang, 2009 [11] GSE12093 136 136 136 125 15 24
Nine studies   2,175 1403 998 858 213 274
  1. aUntreated includes some patients with adjuvant endocrine therapy alone or radiation.
  2. bER status not available, filtered later based on array expression data.