Table 1.

Odds ratios (95% confidence intervals) of prostate cancer by quartile of baseline serum 25-hydroxyvitamin D (ng/mL)

Quartile 1Quartile 2Quartile 3Quartile 4Ptrend
Cases/controls83/7569/7357/7487/75
Range, 25-hydroxyvitamin D (ng/mL)≤14.7914.80-18.8218.83-23.98>23.98
Unadjusted odds ratio (95% confidence interval)1.000.81 (0.45-1.47)0.57 (0.30-1.06)0.87 (0.49-1.57)0.99
Adjusted* odds ratio (95% confidence interval)1.000.88 (0.48-1.61)0.59 (0.31-1.11)0.89 (0.49-1.62)0.97
  • * Adjusted for age at randomization, body mass index, and pack-years of smoking.