Table 4

Frequency of CBS 844ins68 heterozygotes in control subjects and in colorectal cancer (CRC) patient subgroups

nCBS 844ins68 (%)p Value
Values are number (%).
MSI, microsatellite instability.
p values for χ2 test comparing proportion of CBS 844ins68 heterozygotes in each CRC group to the normal control group.
Normal controls15515 (9.7)
Total CRC44923 (5)0.05
Total proximal CRC248 9 (3.6)0.02
MSI+ proximal 64 3 (4.7)0.20
MSI− proximal184 6 (3.3)0.03
MSI− distal20114 (7)0.50