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Table 3 Relationship between Change in CA125 and Covariates

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

Variable Change in CA125 from Baseline to 3 months N (%) P
  Normal to Normal High to Normal Normal to High High to High  
Prior Treatment History      
   • Previously treated disease 15 (60) 17 (50) 6 (100) 96 (91.4) <0.001 (chi-square)
   • Newly diagnosed 10 (40) 17 (50) 0 (0) 9 (8.6)  
Stage at Diagnosis      
   • Stage I 10 (40) 4 (14.3) 0 (0) 11 (10.9)  
   • Stage II 2 (8) 6 (21.4) 0 (0) 7 (6.9) 0.009 (chi- square)
   • Stage III 11 (44) 15 (53.6) 5 (83.3) 75 (74.3)  
   • Stage IV 2 (8) 3 (10.7) 1 (16.7) 8 (7.9)  
  Mean (Standard Deviation)  
Age at presentation 52.3 (12.9) 55.4 (11.5) 54.1 (6.3) 52.9 (10.2) 0.67 (ANOVA)