Table 1

Adjusted ORs and 95% CIs of prostate cancer by baseline serum nutrient quartiles (ATBC Study, 1985–1994)

Serum nutrientsCases (n = 224)aControls (n = 454)ORb95% CI
Folate (nm)
 1 (≤6.87)561181.00
 2 (6.88–8.69)551091.100.69–1.75
 3 (8.70–10.79)521141.040.64–1.67
 4 (>10.79)611131.200.74–1.94
p trend = 0.52
Vitamin B6 (nm)
 1 (≤19.31)571141.00
 2 (19.32–27.88)581131.030.67–1.60
 3 (27.89–41.08)451140.760.46–1.24
 4 (>41.08)641131.110.71–1.75
p trend = 0.64
Vitamin B12 (pm)
 1 (≤280.91)531141.00
 2 (280.92–345.57)611131.190.76–1.86
 3 (345.58–414.91)521141.000.62–1.60
 4 (>414.91)581131.120.70–1.78
p trend = 0.81
Homocysteine (μm)
 1 (≤10.08)531141.00
 2 (10.09–11.79)511130.940.58–1.52
 3 (11.80–14.20)621151.150.71–1.86
 4 (>14.20)581121.050.64–1.73
p trend = 0.68
  • a Eight cases and 10 controls were lost due to cracked vials.

  • b ORs are adjusted for BPH. Controls were matched to cases on age, clinic, intervention group, and date of baseline blood draw.