Table 1 Baseline characteristics

From: Biological predictive factors in rectal cancer treated with preoperative radiotherapy or radiochemotherapy

Baseline characteristic

Number of patients ( N =57)

%

Age, years

  

 Median

66

 Range

33–88

Sex

 Male

32

56

 Female

25

44

Tumour stage

 T1–2

12

21

 T3–4

43

75

 N0

19

33

 N1–2

33

58

Preoperative treatment

 RT

38

67

 RCT

19

33

Surgery

 Abdominoperineal resection

15

26

 Sphincter-preserving surgery

38

67

TS

 Low

22

39

 High

32

56

P53

 Negative

13

23

 Positive

44

77

VEGF

 Negative

21

37

 Positive

31

54

P21

 Negative

24

42

 Positive

32

56

MLH1

 Preserved

43

75

 Altered

14

25

MSH2

 Preserved

44

77

 Altered

13

23

  1. Abbreviations: RT=radiotherapy; RCT=radiochemotherapy; TS=thymidilate synthase; VEGF=vascular endothelial growth factor.
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