Table 5.
Results from multiple logistic regression model for odds of CPM among reconstructed patients (n=33,883)
| Factor | OR | 95% CI | p |
|---|---|---|---|
| Age, years | |||
| 18-35 | 6.57 | 5.43-7.94 | <0.0001 |
| 36-55 | 3.79 | 3.19-4.49 | |
| 56-70 | 2.13 | 1.79-2.53 | |
| 71-80 | 1.00 | Referent | |
| Race | |||
| White | 1.98 | 1.80-2.19 | <0.0001 |
| Black | 1.00 | Referent | |
| Native American | 1.50 | 0.96-2.35 | |
| Asian American | 0.95 | 0.82-1.10 | |
| Other or Unknown | 1.85 | 1.29-2.64 | |
| Year of Diagnosis | 1.14 | 1.13-1.15 | <0.0001 |
| Stage | |||
| I | 1.19 | 1.04-1.36 | 0.028 |
| II | 1.11 | 1.02-1.20 | |
| III | 1.00 | Referent | |
| Tumor Size | |||
| <1 | 0.94 | 0.86-1.03 | <0.0001 |
| 1-1.9 | 1.06 | 0.98-1.14 | |
| 2-4.9 | 0.84 | 0.76-0.93 | |
| 5+ | 1.00 | Referent | |
| Unknown | 1.00 | 0.73-1.37 | |
| Tumor Grade | |||
| I | 1.01 | 0.81-1.26 | 0.001 |
| II | 0.96 | 0.78-1.19 | |
| III | 0.97 | 0.78-1.20 | |
| IV | 1.00 | Referent | |
| Unknown | 1.21 | 0.96-1.53 | |
| Node | |||
| Negative | 1.00 | Referent | 0.63 |
| Positive | 0.97 | 0.90-1.05 | |
| Unknown | 0.54 | 0.06-4.77 | |
| ER Status | |||
| Negative | 1.00 | Referent | 0.004 |
| Positive | 0.88 | 0.81-0.95 | |
| Borderline/Unknown | 1.03 | 0.81-1.30 | |
| PR Status | |||
| Negative | 1.00 | Referent | 0.57 |
| Positive | 1.00 | 0.93-1.08 | |
| Borderline/Unknown | 0.89 | 0.72-1.11 | |
| Radiation | |||
| No | 1.00 | Referent | 0.14 |
| Yes | 0.98 | 0.91-1.05 | |
| Unknown | 0.86 | 0.74-1.00 | |
| First Primary | |||
| No | 0.90 | 0.82-0.98 | 0.018 |
| Yes | 1.00 | Referent | |
| Median County Household Income (in 1,000s) |
1.01 | 1.01-1.02 | <0.0001 |
| Average County % of women with <12 years education |
1.01 | 1.00-1.01 | 0.004 |
| Registry | - | 17 df | <0.0001 |
| Type of Reconstruction | |||
| Tissue | 1.00 | Referent | <0.0001 |
| Implant | 1.38 | 1.31-1.47 | |
| Combined | 1.10 | 1.01-1.19 | |
| Not otherwise specified | 1.39 | 1.30-1.49 |