Clinical Study

Racial/Ethnic Patterns in Prostate Cancer Outcomes in an Active Surveillance Cohort

Table 3

Multivariable Cox proportional hazards regression predicting overall survival in a cohort of subjects with prostate cancer (CaP) followed on active surveillance (AS) for primary treatment ( ).

CharacteristicHOR1 (95% CI2)P value

Age at diagnosis, years0.1122
 <60Referent
 60–60.91.837 (1.016–3.322)0.0441
 ≥701.856 (1.026–3.357)0.0408
Race
 WhiteReferent
 Black1.106 (0.805–1.519)0.5362
Comorbidities0.2714
 0Referent
 11.235 (0.877–1.738)0.2271
 21.029 (0.700–1.512)0.8847
 3 or more1.373 (0.952–1.978)0.0895
D’Amico et al. risk strata<0.0001
 LowReferent
 Intermediate1.612 (1.162–2.237)0.0042
 High2.627 (1.927–3.580)<0.0001
Secondary treatment type<0.0001
 None (AS only)Referent
 RP30.022 (0.011–0.043)<0.0001
 EBRT-Br40.052 (0.031–0.087)<0.0001
 HT50.107 (0.069–0.167)<0.0001
Dx6 to secondary treatment, months0.970 (0.965–0.976)<0.0001

1HOR: hazard Odds Ratio.
2CI: confidence Interval.
3RP: radical prostatectomy.
4 EBRT-BR: external beam radiation therapy and Brachytherapy, combined.
5HT: hormone therapy.
6 Dx: diagnosis of CaP.