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Table 4 Multivariate Cox Proportional Hazard Model

From: Longitudinal monitoring of CA125 levels provides additional information about survival in ovarian cancer

Independent Variable Unit of increase RR1 95% CI P-value
Age at presentation 1 year 1.003 0.98, 1.03 0.78
Prior treatment history Newly diagnosed as referent 1.1 0.52, 2.2 0.86
Stage at Diagnosis     
   • Stage II   0.29 0.06, 1.5 0.15
   • Stage III Stage I as referent 1.4 0.61, 3.2 0.43
   • Stage IV   1.7 0.57, 5.0 0.35
Change in CA125     
   • Normal to Normal   0.07 0.02, 0.26 <0.001
   • High to Normal High to High as referent 0.29 0.13, 0.65 0.003
   • Normal to High   0.40 0.09, 1.7 0.21
  1. 1Relative risk (Cox proportional hazard)
  2. N = 160