Variables | Categories | Univariate analysis | Â | Multivariate analysis | ||||
---|---|---|---|---|---|---|---|---|
HR | 95% CI | P Value | Â | HR | 95% CI | P Value | ||
Age at Diagnosis |  | 1.026 | 1.02–1.033 | < 0.001 |  | 1.012 | 1.006–1.018 | < 0.001 |
 Tumor Size |  | 1.007 | 1.006–1.009 | < 0.001 |  | 1.006 | 1.004–1.008 | < 0.001 |
 Ethnicity | African–American | 1.095 | 0.858–1.397 | 0.467 |  | 0.946 | 0.738–1.212 | 0.66 |
 | Others | 0.767 | 0.64–0.919 | 0.004 |  | 0.737 | 0.613–0.887 | 0.001 |
Year of Diagnosis |  | 0.852 | 0.729–0.997 | 0.046 |  | 0.807 | 0.688–0.948 | 0.009 |
 Gender |  | 0.996 | 0.836–1.188 | 0.967 |  | NA | NA | NA |
 Grade | Grade 2 | 0.948 | 0.806–1.115 | 0.518 |  | 1.124 | 0.953–1.326 | 0.164 |
 | Grade 3 | 1.586 | 1.263–1.99 | < 0.001 |  | 1.984 | 1.574–2.501 | < 0.001 |
 | Grade 4 | 2.518 | 1.338–4.735 | 0.004 |  | 2.119 | 1.115–4.027 | 0.022 |
 Surgery | LR | 0.253 | 0.215–0.297 | < 0.001 |  | 0.193 | 0.16–0.234 | < 0.001 |
 | LT | 0.1 | 0.073–0.138 | < 0.001 |  | 0.102 | 0.072–0.145 | < 0.001 |
Chemotherapy |  | 1.217 | 1.041–1.423 | 0.014 |  | 0.561 | 0.471–0.668 | < 0.001 |
 Radiation |  | 1.445 | 1.057–1.977 | 0.021 |  | 0.641 | 0.463–0.887 | 0.007 |
 Marital Group |  | 0.767 | 0.66–0.891 | 0.001 |  | 0.914 | 0.782–1.069 | 0.262 |