Data

Arm I

Arm II

N %

N %

Age (mean ± SD)

Min - max

42.48 ± 16.3

(17 - 80)

40.16 ± 10.33

(20 - 60)

Sex

Male

Female

18 54.5%

15 45.5%

13 40.6%

19 59.4%

ECOG PS

0

1

2

3

9 27.3%

10 30.3%

8 24.2%

6 18.2%

2 6.25%

11 34.4%

17 53.1%

2 6.25%

Adenocarcinoma

-Conventional type

-Mucinous type

-Signet ring type

23 70%

5 15%

5 15%

26 81.25%

4 12.4%

2 6.2%

Grading

G1

G2

G3

G4

15 45.4%

9 27.3%

9 27.3%

0 0%

7 21.9%

14 43.8%

3 9.4%

8 25%

T stage

T2

T3

T4

10 30.3%

14 42.42%

9 27.27%

2 6.2%

15 46.9%

15 46.9%

N stage

N0

N+

15 45.45%

18 54.54%

15 46.9%

17 53.1%

Tumor localization from anal verge

Lower rectum

Mid-rectum

Upper rectum

12 36.36%

16 48.48%

5 15.15%

23 71.9%

4 12.5%

5 15.6%