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Multivariate Cox proportional hazard model (phase angle as a continuous variable)
| Independent Variable | Unit of increase | RR1 | 95% CI | P-value |
| Phase angle | 1 degree | 0.82 | 0.68, 0.99 | 0.041 |
| Stage at Diagnosis | Stage I and II as referent | 1.9 | 1.2, 2.9 | 0.006 |
| Treatment History | Newly Diagnosed as referent | 7.9 | 4.1, 15.5 | 0.001 |
