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Table 3 Characteristic parameters with tumor response

From: Clinical predictors of pathological good response in locally advanced rectal cancer

Variables Classification Tumor response p
ypT0–1N0 ypT2–4N0/ypTanyN + 
Gender     0.523
Male 32 71  
Female 25 45  
Age (years)     0.237
 < 60 29 70  
 ≥ 60 28 46  
The distance from anal verge (cm)     0.007
 < 5 33 42  
 ≥ 5 24 74  
cT classification      < 0.001
2 9 1  
3 16 53  
4 32 62  
cN classification     0.513
0 3 4  
1 17 27  
2 37 85  
Clinical stage     0.874
II 3 4  
III 54 112  
Pretreatment CEA (ng/mL)     0.006
 < 5 41 58  
 ≥ 5 16 58  
Posttreatment CA199 (U/mL)     0.799
 < 37 52 106  
 ≥ 37 5 10  
Pretreatment CEA (ng/mL)     0.690
 < 5 49 97  
 ≥ 5 8 19  
Posttreatment CA199 (U/mL)     0.735
 < 37 54 110  
 ≥ 37 3 6  
Concurrent chemotherapy     0.127
Capecitabine 21 57  
Capox 36 59  
CRM     0.594
Positive 28 52  
Negative 29 64  
EMVI     0.450
Positive 26 60  
Negative 31 56  
The neoadjuvant–surgery interval (day)     0.002
 < 84 25 79  
 ≥ 84 32 37  
The types of surgical procedures     0.303
Dixon 48 104  
Others 9 12  
  1. Clinical TNM stage, according to the eighth edition of the AJCC staging manual
  2. CEA carcinoembryonic antigen, CA199 carbohydrate antigen 199, CRM circumferential resection margin, EMVI extramural vascular invasion