Table 3

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

Colon cancers with MSITotal naUnivariate OR (95% CI)Age-adjusted OR (95% CI)
n%
Colon subsite
Proximal333310113.6 (4.0–46.2)14.4 (4.1–50.5)
Distal34871.01.0
Tumor histology
Mucinous1039263.4 (1.4–8.4)3.7 (1.5–9.4)
Nonmucinous26151691.01.0
Tumor grade or differentiation
Well/moderately differentiated18121471.01.0
Poorly differentiated1550307.2 (3.0–17.1)6.4 (2.6–15.6)
Tumor stage
Local1016641.01.0
Regional/distant25211201.4 (0.6–3.2)1.6 (0.7–3.8)
  • a Numbers do not total 201 due to missing values.