Table 2 Patient characteristics in the low- and high-risk subgroups
From: Accuracy validation of adjuvant! online in Taiwanese breast cancer patients - a 10-year analysis
| Low Risk (N = 78) | High Risk (N = 481) | p- value | |
|---|---|---|---|
| Age, years | 51.7 (11.0%) | 49.1 (11.1) | 0.056 |
| ER | < 0.0001 | ||
| Negative | 0 | 192 (39.9) | |
| Positive | 78 (100%) | 279 (58.0) | |
| Unknown | 0 | 10 (2.1) | |
| Grade | < 0.0001 | ||
| I | 78 (100%) | 52 (10.8) | |
| II | 0 | 204 (42.4) | |
| III | 0 | 105 (21.8) | |
| Unknown | 0 | 120 (24.9) | |
| Tumor Size | < 0.0001 | ||
| T1 | 78 (100%) | 183 (38.0) | |
| T2 | 0 | 259 (53.8) | |
| T3 | 0 | 39 (8.1) | |
| Node | < 0.0001 | ||
| N0 | 78 (100%) | 245 (50.9) | |
| N1 | 0 | 135 (28.1) | |
| N2 | 0 | 50 (10.4) | |
| N3 | 0 | 51 (10.6) | |
| Status | 0.002 | ||
| Died | 3 | 84 | |
| Survived | 75 | 397 | |
| Hormone therapy | 0.001 | ||
| Yes | 76 (97.4) | 400 (83.2) | |
| No | 2 (2.6) | 81 (16.8) | |
| Chemotherapy | < 0.0001 | ||
| Yes | 31 (39.7) | 350 (72.8) | |
| No | 45 (57.7) | 104 (21.6) | |
| Less than expected cycles | 2 (2.6) | 27 (5.6) | |
| Observed probability | 3.85% | 17.46% | |
| Predicted probability | 3.69% | 21.99% |