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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