TABLE V.
Factors associated with ductal carcinoma in situ local recurrence: multivariate analysis adjusted for year of diagnosis
| Variable |
Multivariate analysis
|
p Value | |
|---|---|---|---|
| hr | 95% cl | ||
| Age | |||
| <45 Years | 1.9 | 1.0, 3.7 | 0.05 |
| 45–50 Years | 1.1 | 0.6, 2.1 | 0.79 |
| >50 Years | Reference | ||
| Multifocality | |||
| Present | 1.5 | 0.8, 2.8 | 0.18 |
| Absent | Reference | ||
| Unreported | 1.6 | 0.8, 3.1 | 0.16 |
| Margin status | |||
| Positive or unreported | 1.2 | 0.7, 2.1 | 0.47 |
| Negative | Reference | ||
| Nuclear grade | |||
| High | 2.8 | 1.6, 5.0 | 0.0005 |
| Moderate or low | Reference | ||
| Unreported | 1.5 | 0.6, 3.7 | 0.39 |
| Boost | |||
| Yes | 0.9 | 0.5, 1.6 | 0.75 |
| No | Reference | ||
hr = hazard ratio; cl = confidence limits.