Table 1 Data of the two patients groups

 Gender

Men 56 (43.7%)

Men 21 (45.6%)

0.82*

Women 72 (56.2%)

Women 25 (54.3%)

 Age

Median, 58.2 years

Median, 56 years

0.38#

Range, 33–80 years

Range, 33–78 years

Primary cancer site

0.001*

 Colon

59 (46.1%)

9 (19.5%)

 Rectum

69 (53.9%)

37 (80.4%)

History of chemotherapy

112 (87.5%)

33 (71.7%)

0.01*

 Number

512

No one

median 4 per patient

range 1–7 per patient

 Largest diameter

median 26 mm

–

range 12–54 mm