From: Breast cancer prognosis by combinatorial analysis of gene expression data
 |  | Follow-up time (years) | Grade | ERp | PRp | Lymphocytic infiltrate |
---|---|---|---|---|---|---|
N- | Average | 8.16 | 2.58 | 47.31 | 36.92 | 0.19 |
 | CI (95%) | 7.28 | 2.31 | 32.62 | 23.19 | 0.04 |
 |  | 9.04 | 2.85 | 62.00 | 50.65 | 0.35 |
Negative cases outside N- | Average | 9.48 | 1.89 | 81.11 | 56.94 | 0.00 |
 | CI (95%) | 8.20 | 1.58 | 71.23 | 40.61 | 0.00 |
 |  | 10.76 | 2.20 | 90.99 | 73.28 | 0.00 |