<70 Years (n = 55)

≥70 Years (n = 52)

n

%

n

%

Age, y (median, range)

61

(41 - 69)

77

(70 - 89)

Male

39

(70.9%)

37

(71.2%)

Female

16

(29.1%)

15

(28.8%)

PS (ECOG)

0

53

(96.4%)

44

(84.6%)

1

2

(3.6%)

6

(11.5%)

2

0

(0.0%)

2

(3.8%)

Primary tumor

Colon

29

(52.7%)

29

(55.8%)

Rectum

26

(47.3%)

23

(44.2%)

Site of metastases

Liver

25

(45.5%)

24

(46.2%)

Lymph nodes

16

(29.1%)

16

(30.8%)

Lung

12

(21.8%)

9

(17.3%)

Peritoneum

5

(9.1%)

10

(19.2%)

Other

5

(9.1%)

4

(7.7%)

Prior adjuvant chemotherapy

7

(12.7%)

18

(34.6%)