Table 3. Factors associated with survival.
| Alive | Dead | Chi-square (p-value) |
|
|---|---|---|---|
| Tumour size (cm) | |||
| 0 | 3 (100%) | 0 | 10.09 (0.018) |
| ≤2 | 9 (75%) | 3 (25%) | |
| 2.01–5 | 48 (84.2%) | 9 (15.8%) | |
| >5 | 87 (63%) | 51 (37%) | |
| Histological type | |||
| Invasive CA NOS | 125 (66.5%) | 63 (33.35%) | 10.53 (0.015) |
| Invasive lobular CA | 13 (100%) | 0 | |
| Phyllodes tumour | 3 (100%) | 0 | |
| Ductal carcinoma in situ (DCIS) | 6 (100%) | 0 | |
| Tumour grade | |||
| Low grade | 21 (53.8%) | 18 (46.2%) | 10.34 (0.006) |
| Intermediate grade | 70 (68%) | 33 (32%) | |
| High grade | 27 (90%) | 3 (10%) | |
| Resection margin | |||
| Free | 112 (74.2%) | 39 (25.8%) | 5.19 (0.023) |
| Involved | 33 (57.9%) | 24 (42.1%) | |
| Evidence of recurrence | |||
| Yes | 138 (78%) | 39 (22%) | 34.04 (<0.01) |
| No | 9 (27.3%) | 24 (72.7%) | |
| Harvested nodes | |||
| 0 | 9 (100%) | 0 | 27.98 (<0.01) |
| 1–3 | 28 (90.3%) | 3 (9.7%) | |
| 4–9 | 33 (47.8%) | 36 (52.2%) | |
| ≥10 | 77 (76.2%) | 24 (23.8%) | |
| Metastatic nodes | |||
| 0 | 76 (80.9%) | 18 (19.1%) | 21.27 (<0.001) |
| 1–3 | 35 (74.5%) | 12 (25.5%) | |
| 4–9 | 33 (57.9%) | 24 (42.1%) | |
| ≥10 | 3 (25%) | 9 (75%) | |
| Metastatic nodes | |||
| No positive node | 76 (80.9%) | 18 (19.1%) | 9.54 (0.002) |
| 1 or more positive node(s) | 71 (61.2%) | 45 (38.8%) |