Table 3.
Predictors of chest wall recurrence after mastectomy for DCIS: Univariate analysis
| Parameter | Reference |
Chest wall recurrence
HR (95% CI) |
p value | |
|---|---|---|---|---|
| Age | Continuous | - | 0.98 (0.95-1.01) | 0.19 |
| <45 | >50 | 1.29 (0.55-3.02) | 0.72 | |
| 45-50 | >50 | 1.3 (0.58-3.16) | 0.7 | |
| Nuclear Grade | High | Low | 3.0 (0.4-23.1) | 0.29 |
| Intermediate | Low | 1.4 (0.16-12.60) | 0.76 | |
| Unreported | Low | 2.3 (0.31-17.53) | 0.41 | |
| Margin Width | ≤2 mm | >2 mm | 2.1 (0.86-5.1) | 0.10 |
| Unreported | 1.59 (0.54, 4.37) | 0.35 | ||
| Multifocality | Present | Absent | 0.7 (0.28-1.62) | 0.36 |
| Necrosis | Present | Absent | 1.7 (0.23-13.1) | 0.60 |
| Histological Subtype | Cribriform | Solid | 0.5 (0.17-1.37) | 0.16 |
| Other | Solid | 0 | 0.98 | |
| Unreported | Solid | 0.48 (0.18-1.24) | 0.13 | |
| Breast Surgeon Volume (quintile) |
1 | 5 | 2.6 (0.89-7.37) | 0.08 |
| 2 | 5 | 1.1 (0.31-3.70) | 0.91 | |
| 3 | 5 | 1.80 (0.59-5.49) | 0.30 | |
| 4 | 5 | 1.4 (0.43-4.26) | 0.61 | |
| Year of Diagnosis | 1997-1999 | 1994-1996 | 0.60 (0.28-1.29) | 0.13 |
| 2000-2002 | 1994-1996 | 0.43 (0.19-1.00) | 0.13 |
CI confidence interval, HR hazard ratio