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Table 2 Baseline characteristics for subgroup of patients with lower rectal cancer

From: Tumor location as an indication for adjuvant radiotherapy in pT3N0 rectal cancer after surgery

Variable Adjuvant chemotherapy group (n = 63) Adjuvant chemo-radiotherapy group (n = 58) P value
Age, year    0.053
 median 56 55  
Gender    0.467
 male 39 32  
 female 24 26  
Hb g/L    0.202
  < 128 30 35  
  ≥ 128 33 23  
CEA, ug/mL    0.203
  < 5.00 29 34  
  ≥ 5.00 34 24  
Tumor grade    0.931
 G1 4 3  
 G2 52 50  
 G3 7 5  
Type of surgery    0.833
 Mile’s 27 26  
 Dixon 35 30  
 Hartmann 1 2  
Tumor volume, cm3    0.717
  < 19 29 29  
  ≥ 19 34 29  
Retrieved lymph nodes    0.587
  < 14 30 31  
  ≥ 14 33 27  
Lymph vascular invasion    0.719
 yes 5 3  
 no 58 55  
Duration of adjuvant therapy, months    0.523
 median 5.3 (4.5–6.2) 5.1 (4.5–6.0)  
  1. Abbreviations: adjuvant-chemo adjuvant chemotherapy, Hb hemoglobin, CEA carcinoembryonic antigen, AV anal verge, tumor grade: G1 well differentiated, G2 moderately differentiated, G3 poorly differentiated