Table 2

Univariate and age-adjusted ORs and 95% CIs for MSI in colon cancer by patient characteristics, New Mexico Tumor Registry, 1996–1997

Colon cancers with MSITotal naUnivariate OR (95% CI)Age-adjusted OR (95% CI)
n%
MSI at 2+ loci3718201
Age at diagnosis (yr)
<45525202.8 (0.8–9.6)
45–49316191.6 (0.4–6.5)
50–70911851.0
71–801221562.3 (0.9–5.9)
>80838215.2 (1.7–15.9)
Sex
Male15141061.01.0
Female2223951.8 (0.9–3.8)1.9 (0.9–4.1)
Race/ethnicity
White29211381.01.0
Hispanic & otherb813630.5 (0.2–1.3)0.6 (0.2–1.4)
Personal history of polyps
No26261001.01.0
Yes1111970.4 (0.2–0.8)0.4 (0.2–0.8)
Family history of colorectal cancer
No29171741.01.0
Yes830272.1 (0.8–5.3)1.7 (0.7–4.5)
  • a Numbers for some variables do not total 201 due to missing values.

  • b Including American Indians, African Americans, and Asians.