Table 2

Microsatellite instability and mutator gene mutations in HNPCC and suspected HNPCC families

Microsatellite instabilityDNA mismatch repair gene mutations
Type of family Positive Negative MSH2 MLH1
HNPCC (n=18)11 (61)2-150 721
Suspected HNPCC (n=18)4 (22)14
  • Values in parentheses are percentages.

  • 2-150 χ2 = 5.6, p = 0.02.