Table 2.
Joint distribution of recurrence score (RS) and semi-quantitative Ki-67 in the analysed population
| (semi-quantitative) Ki-67 group | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 0–10% | 15% | 20% | 25% | 30% | 35% | 40% | >40% | Total | |
| RS ≤ 11 | |||||||||
| N | 223 | 87 | 68 | 23 | 1 | 1 | 2 | 0 | 405 |
| % of Ki-67 group | 22.7% | 20.1% | 19.1% | 10.6% | 1.0% | 2.5% | 4.7% | 0.0% | 0.0% |
| RS12-25 | |||||||||
| N | 680 | 283 | 219 | 108 | 42 | 16 | 5 | 2 | 1355 |
| % of Ki-67 group | 69.3% | 65.5% | 61.5% | 50.0% | 40.8% | 40.0% | 11.6% | 6.3% | 0.0% |
| RS > 25 | |||||||||
| N | 78 | 62 | 69 | 85 | 60 | 23 | 36 | 30 | 443 |
| % of Ki-67 group | 8.0% | 14.4% | 19.4% | 39.4% | 58.3% | 57.5% | 83.7% | 93.8% | 0.0% |
| Total | |||||||||
| N | 981 | 432 | 356 | 216 | 103 | 40 | 43 | 32 | 2203 |
| % of RS group | 44.5% | 19.6% | 16.2% | 9.8% | 4.7% | 1.8% | 2.0% | 1.5% | 100.0% |