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Table 1 Clinicopathologic features and CEA* mRNA expression detected by real-time RT-PCR

From: Detection of carcinoembryonic antigen messenger RNA in blood using quantitative real-time reverse transcriptase-polymerase chain reaction to predict recurrence of gastric adenocarcinoma

Characteristics Total number
(N = 123)
CEA mRNA P value
Positive
(n = 45)
Negative
(n = 78)
Age     
   ≤40 13 3 10  
   41-50 20 9 11  
   51-60 39 9 30  
   61-70 42 18 24  
   >70 9 6 3 0.063
Sex     
   Female 41 12 29  
   Male 82 33 49 0.234
Tumor     
   T1 10 6 4  
   T2 16 3 13  
   T3 73 26 47  
   T4 24 10 14 0.001
Lymph node     
   N0 31 11 20  
   N1 43 15 28  
   N2 29 8 21  
   N3 20 11 9 0.261
Pathologic TNM# stage     
   I 16 7 9  
   II 21 6 15  
   III 51 17 34  
   IV 35 15 20 0.623
Histology subtype     
   Well differentiated adenocarcinoma 3 1 2  
   Moderately differentiated adenocarcinoma 27 7 20  
   Poorly differentiated adenocarcinoma 93 37 56 0.418
Serum CEA condition     
   Positive 30 11 19  
   Negative 93 34 59 0.992
Recurrence     
   Yes 44 25 19  
   No 79 20 59 0.001
Modes of recurrence     
Local recurrence 8 4 4  
   Abdominal cavity 9 6 3  
   Liver 8 5 3  
   pelvic 6 3 3  
   Multiple sites 10 5 5  
   others 3 2 1 0.959
  1. * Carcinoembryonic antigen
  2. # TNM denotes tumor-node-metastasis