Table 2

Clinical characteristics of colorectal cancer patients with or without polymorphism at codon 389 (AAC to AAT)

No parameters had statistical significance according to the presence or absence of the AAT type polymorphism (Student’s t test).

AAT type polymorphism at codon 389 (no.)Mean agea (yr)Right colon (%)Poorly differentiated or mucinous type (%)
ICG-HNPCCYes (7)52.12 (29)2 (29)
No (28)44.511 (39)7 (25)
Suspected HNPCCYes (8)53.23 (38)3 (38)
No (36)47.212 (33)8 (22)
Early-onset sporadic cancerYes (14)32.62 (14)3 (21)
No (31)33.28 (26)5 (16)
TotalYes (29)43.07 (24)8 (28)
No (95)41.831 (33)20 (21)
  • a Mean age of the control group, 43 years.