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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
  1. 1 Relative risk (Cox proportional hazard)
  2. N = 259