TABLE 6.
Associations between clinical and pathological features and recurrence index for local recurrence
| Characteristic | Total | Stratification by RI‐LRR | p value | |
|---|---|---|---|---|
| n = 178 | High risk, n = 49 | Low risk, n = 129 | ||
| Subtype | <0.001 | |||
| ER+, PR+, Ki67 >20 | 52 (29.21%) | 18 (36.73%) | 34 (26.36%) | |
| ER+, PR+, Ki67 ≤20 | 80 (44.94%) | 9 (18.37%) | 71 (55.04%) | |
| ER+, PR−, Ki67 >20 | 27 (15.17%) | 16 (32.65%) | 11 (8.53%) | |
| ER+, PR−, Ki67 ≤20 | 19 (10.67%) | 6 (12.24%) | 13 (10.08%) | |
| Age | 0.036 | |||
| <40 | 22 (12.36%) | 11 (22.45%) | 11 (8.53%) | |
| 40–60 | 101 (56.74%) | 26 (53.06%) | 75 (58.14%) | |
| >60 | 55 (30.90%) | 12 (24.49%) | 43 (33.33%) | |
| N stage | <0.001 | |||
| 0 | 152 (85.39%) | 28 (57.14%) | 124 (96.12%) | |
| 1 | 26 (14.61%) | 21 (42.86%) | 5 (3.88%) | |
| Tumor stage | 0.2 | |||
| 1 | 96 (53.93%) | 23 (46.94%) | 73 (56.59%) | |
| 2 | 82 (46.07%) | 26 (53.06%) | 56 (43.41%) | |
| Grade | <0.001 | |||
| I | 7 (3.93%) | 1 (2.04%) | 6 (4.65%) | |
| II | 151 (84.83%) | 34 (69.39%) | 117 (90.70%) | |
| III | 20 (11.24%) | 14 (28.57%) | 6 (4.65%) | |
| LVI | <0.001 | |||
| Yes | 67 (37.64%) | 38 (77.55%) | 29 (22.48%) | |
| No | 111 (62.36%) | 11 (22.45%) | 100 (77.52%) | |
Bold values indicate statistical significance was set as p < 0.05.
Abbreviations: LVI, lymphovascular invasion; RI‐LRR, recurrence index for local recurrence.