Table 4 Multivariate Cox proportional hazard model (phase angle as a squared term)
From: Bioelectrical impedance phase angle as a prognostic indicator in breast cancer
Independent Variable | Unit of increase | RR1 | 95% CI | P-value |
|---|---|---|---|---|
Squared Phase angle | 1 degree square | 0.98 | 0.96, 1.001 | 0.06 |
Stage at Diagnosis | Stage I and II as referent | 1.9 | 1.2, 2.9 | 0.007 |
Treatment History | Newly Diagnosed as referent | 7.9 | 4.1, 15.2 | 0.001 |