Table 1. Patient and tumor characteristics.
| Characteristic | Type | All | ROR low | ROR intermediate | ROR high | p-value* | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| N | % | n | % | n | % | n | % | |||
| Age (years) | <50 | 2 | 1% | 1 | 1% | 1 | 1% | 0 | 0% | 0.75 |
| > = 50 | 198 | 99% | 92 | 99% | 66 | 99% | 40 | 100% | ||
| Tumor size | T1 | 158 | 79% | 79 | 85% | 56 | 84% | 23 | 58% | 0.001 |
| T2 | 42 | 21% | 14 | 15% | 11 | 16% | 17 | 43% | ||
| PR | Positive | 172 | 86% | 84 | 90% | 54 | 81% | 34 | 85% | 0.21 |
| Negative | 28 | 14% | 9 | 10% | 13 | 19% | 6 | 15% | ||
| Ki67 | <14% | 97 | 49% | 70 | 75% | 21 | 31% | 6 | 15% | <0.0001 |
| > = 14% | 98 | 49% | 20 | 22% | 45 | 67% | 33 | 83% | ||
| Unknown | 5 | 3% | 3 | 3% | 1 | 1% | 1 | 3% | ||
| TOTAL | 200 | 93 | 67 | 40 | ||||||
* Based on one-way ANOVA