Table 1. The microarray gene expression datasets used in the study (N=871).
| All trails (N = 871) | GSE39582 (N = 461) | GSE17536 (N = 111) | GSE14333 (N = 67) | GSE17537 (N = 34) | GSE12945 (N = 38) | GSE24551 (N = 160) | |
|---|---|---|---|---|---|---|---|
| Stage | |||||||
| II | 479 | 260 | 55 | 37 | 15 | 22 | 90 |
| III | 392 | 201 | 56 | 30 | 19 | 16 | 70 |
| Recurrence | |||||||
| No | 620 | 322 | 80 | 54 | 31 | 35 | 98 |
| Yes | 251 | 139 | 31 | 13 | 3 | 3 | 62 |
| Age (years) | |||||||
| Range | 22–94 | 22–97 | 26–92 | 30–92 | 47–94 | NA | NA |
| Median | NA | 69 | 67 | 70 | 63 | NA | NA |
| Gender | |||||||
| Male | 371 | 258 | 53 | 41 | 19 | NA | NA |
| Female | 302 | 203 | 58 | 26 | 15 | NA | NA |
| Adjuvant CTX | |||||||
| 0 | 302 | 258 (203 II + 55 III) | NA | 44(33 II + 11 III) | NA | NA | NA |
| 1 | 225 | 202(56 II + 146 III) | NA | 23(4 II + 19 III) | NA | NA | NA |
| #genes | NA | 19825 | 19468 | 19468 | 19468 | 12694 | 16733 |