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Table 5 Impact of clinicopathological parameters on RFS rates

From: Pattern of recurrence and prognostic factors in patients with pT1-3 N0 esophageal squamous cell carcinoma after surgery: analysis of a single center experience

Prognostic factor No. of patients 3-yr RFS rate (%) 5-yr RFS rate (%) P-value
Tumor location
 UT 11 47.1 0.0 0.006*
 MT/LT + EGJ 90 86.2 84.0  
VI
 Present 6 20.8 20.8 < 0.001*
 Absent 95 85.6 83.5  
Tumor grade
 Well/moderate 86 86.6 84.3 0.007*
 Poor 15 52.4 52.4  
CEA (μg/ml)a
  < 5.0 91 84.1 82.0 0.001*
  ≥ 5.0 10 42.9 42.9  
  1. CEA serum carcinoembryonic antigen level, EGJ gastroesophageal junction, LT lower thoracic, MT middle thoracic, RFS recurrence-free survival, UT upper thoracic, VI lymphovascularr invasion
  2. athe upper limit of the clinical reference value was used as the cutoff value
  3. *: P-value < 0.05