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Table 2 Demographic, pathological and treatment data of the patients

From: Evaluating treatment response to neoadjuvant chemoradiotherapy in rectal cancer using various MRI-based radiomics models

Characteristic N = 80 (%)
Gender  
 Male 60 (75.0%)
 Female 20 (25.0%)
Age (year)  
 Mean ± SD 56.5 ± 9.5
BMI (kg/m2)  
 Mean ± SD 24.1 ± 2.6
Tumor location  
 Upper 18 (22.5%)
 Middle 38 (47.5%)
 Lower 24 (30.0%)
ypT stage  
 T0 15 (18.75%)
 T1 0 (0%)
 T2 24 (30.0%)
 T3 36 (45.0%)
 T4 5 (6.25%)
ypN stage  
 N0 47 (58.75%)
 N1 15 (18.75%)
 N2 18 (22.5%)
CEAa  
  < 5 ng/ml 29 (36.25%)
  ≥ 5 ng/ml 51 (63.75%)
CA19-9a  
  < 37U/ml 44 (55.0%)
  ≥ 37U/ml 36 (45.0%)
TRG  
 TRG 0 15 (18.75%)
 TRG 1 14 (17.50%)
 TRG 2 32 (40.0%)
 TRG 3 19 (23.75%)
pCR  
 pCR 15 (18.75%)
 Non-pCR 65 (81.25%)
  1. BMI body mass index
  2. aPreoperative blood samples