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Table 2 DFS and OS rates stratified by positivity of tumour markers and univariate Cox analysis

From: Preoperative serum CA 72.4 as prognostic factor of recurrence and death, especially at TNM stage II, for colorectal cancer

   D.F.S. O.S. Univariate Cox analysis
Positive markers n Mean (Months) Recurrence% Mean (Months) Death% Recurrence
RH 95% CI
Death
RH 95% CI
None 51 59.02 11.8 62.49 3.9 1.00 (ref) 1.00 (ref)
1 15 31.67 46.7 37.52 40.0 5.67 (1.88-17.13)b 12.34 (2.48-61.35)b
2 5 23.65 a 80.0 30.23 a 60.0 11.59 (3.24-41.48)c 23.86 (3.97-143.58)d
  1. Abbreviations: DFS, disease free survival; OS, overall survival; RH, relative hazard; 95% CI, 95% confidence interval; ref, reference.
  2. a P <0.0001, b P = 0.002, c P = 0.0002, d P = 0.0005.