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Table 3 Association of Potential Adjustment Factors with Progression Free Survival

From: Plasma-based longitudinal mutation monitoring as a potential predictor of disease progression in subjects with adenocarcinoma in advanced non-small cell lung cancer

  Unadjusted
Variable Level HR (95% CI) P
Age   0.99 (0.96, 1.03) 0.6628
Sex Female (Reference = Male) 1.24 (0.63, 2.46) 0.5350
ECOG 0 (Reference = 1 or 2) 1.22 (0.63, 2.37) 0.5554
Smoking Status Current Smoker (Reference = Quit Smoking) 0.98 (0.48, 2.00) 0.2816
Never Smoker (Reference = Quit Smoking) 0.37 (0.10, 1.37)  
Disease Stage IIIA (Reference = IV) 1.07 (0.25, 4.54) 0.7842
IIIB (Reference = IV) 1.38 (0.56, 3.37)  
  1. Individual unadjusted Cox proportional hazards models were used for each potential adjustment factor
  2. Global p-values presented for categorical variables with more than 2 levels