Table 2.
Patient characteristics and chest wall recurrence following mastectomy for DCIS
| Chest Wall Recurrence | |||
|---|---|---|---|
| Variable | No (N = 1488) | Yes (N = 36) | p value |
| Age | |||
| Mean (SD) | 57.2 (12.1) | 54.1 (11.3) | 0.13 |
| <45 | 241 (16.2%) | 7 (19.4%) | 0.20 |
| 45–50 | 236 (15.9%) | 7 (19.4%) | |
| >50 | 1011 (67.9%) | 22 (61.1%) | |
| Nuclear Grade | |||
| Low | 98 (6.6%) | <5 | 0.41 |
| Intermediate | 282 (19.0%) | <5 | |
| High | 413 (27.8%) | 13 (36.1%) | |
| Unreported | 695 (46.7%) | 18 (50.0%) | |
| Resection Margin Width | |||
| ≤2 mm | 649 (43.6%) | 19 (52.8%) | 0.23 |
| >2 mm | 429 (28.8%) | 7 (19.4%) | |
| Unknown | 410 (27.6%) | 10 (27.8%) | |
| Multifocality | |||
| Absent/Unreported | 1154 (77.6%) | 30 (83.3%) | 0.41 |
| Present | 340 (22.4%) | 6 (16.7%) | |
| Necrosis | |||
| Present | 604 (40.6%) | 14 (38.9%) | 0.74 |
| Absent/unreported | 884 (59.4%) | 22 (61.1%) | |
| Histologic Subtype | |||
| Solid | 806 (54.2%) | 27 (75.0%) | 0.07 |
| Cribriform | 252 (16.9%) | <5 | |
| Other | 107 (7.2 %) | <5 | |
| Unreported | 323 (21.7%) | <5 | |
| Node Dissection | |||
| Yes | 574 (38.6%) | 11 (30.6%) | 0.33 |
| No | 914 (61.4%) | 25 (69.4%) | |
N number of patients, SD standard deviation