Table 3.

Association between categorical serum vitamin D metabolites and advanced distal colorectal adenomas

CategoriesRangeWomen
Men
CasesControlsOR95% CICasesControlsOR95% CI
Serum 25(OH) vitamin D (ng/ml)
    1st quintile6.8–19.234241.0055541.00
    2nd quintile>19.2–24.533240.930.39–2.2245570.730.41–1.32
    3rd quintile>24.5–30.621180.560.22–1.4469631.080.61–1.90
    4th quintile>30.6–36.614260.280.11–0.7549520.890.49–1.64
    5th quintile>36.6–72.821320.270.11–0.6953471.100.60–2.05
    Ptrend0.00020.85
    Low<1525111.0026241.00
    Normal-high≥15981130.300.12–0.752452490.810.43–1.54
Serum 1,25(OH)2 vitamin D (pg/ml)
    1st quintile9.4–27.928241.0051551.00
    2nd quintile>27.9–32.820210.660.27–1.6262591.160.67–2.00
    3rd quintile>32.8–37.417220.570.22–1.4657591.100.63–1.90
    4th quintile>37.4–44.128241.100.47–2.6153541.070.60–1.90
    5th quintile>44.1–79.530330.640.28–1.4748461.130.62–2.04
    Ptrend0.460.35
    Low<2619171.0026401.00
    Normal-high≥261041070.770.36–1.622452331.400.85–2.31
  • Note: ORs adjusted for age, gender, ethnic origin, study center, and months of blood draw.