Adjusted hazard ratio | 95% confidence interval | p value | |
---|---|---|---|
Facility type | |||
Community cancer program | 2.44 | 1.26–4.75 | 0.01 |
Comprehensive community cancer program | 1.54 | 0.92–2.58 | 0.10 |
Academic/research program | REF | ||
Other | 1.45 | 0.66–3.17 | 0.36 |
Age category (years) | |||
< 40 | REF | ||
40–49 | 1.41 | 0.16–12.31 | 0.76 |
50–59 | 2.36 | 0.29–19.42 | 0.43 |
60–69 | 2.56 | 0.31–21.28 | 0.38 |
70–79 | 5.02 | 0.58–43.63 | 0.14 |
80+ | 8.40 | 0.89–89.81 | 0.08 |
Race/ethnicity | |||
Non-Hispanic White | REF | ||
Non-Hispanic Black | 1.99 | 1.12–3.52 | 0.02 |
Hispanic | 0.51 | 0.12–2.11 | 0.36 |
Non-Hispanic Asian/Pacific | 0.86 | 0.21–3.56 | 0.84 |
Other | 0.46 | 0.14–1.44 | 0.18 |
Primary payer | |||
Not insured | 1.78 | 0.43–7.41 | 0.43 |
Private insurance | REF | ||
Medicaid | 2.21 | 1.01–4.80 | 0.05 |
Medicare | 1.38 | 0.77–2.48 | 0.28 |
Other | 2.76 | 0.97–7.87 | 0.06 |
Urban/rural | |||
Metro counties | REF | ||
Urban counties | 1.04 | 0.60–1.82 | 0.89 |
Rural counties | 1.78 | 0.55–5.76 | 0.33 |
Unknown | 0.76 | 0.18–3.14 | 0.70 |
Charlson–Deyo score | |||
0 | REF | ||
1 | 3.00 | 1.92–4.67 | < 0.001 |
2 | 6.74 | 3.40–13.34 | < 0.001 |
Grade | |||
Well differentiated, differentiated, NOS | REF | ||
Moderately differentiated, moderately well differentiated, intermediate differentiation | 1.13 | 0.69–1.87 | 0.63 |
Poorly differentiated | 2.00 | 1.10–3.63 | 0.02 |
AJCC pathologic stage | |||
T1C | REF | ||
T2 | 2.17 | 1.45–3.25 | < 0.001 |
Lymphovascular invasion | |||
Not present | REF | ||
Present | 1.23 | 0.70–2.16 | 0.48 |
Type of surgery | |||
Breast conservation | REF | ||
Mastectomy | 0.45 | 0.20–1.02 | 0.06 |
Radiation therapy | |||
None | REF | ||
Beam radiation | 0.38 | 0.17–0.83 | 0.01 |