Tertiles of dietary folate | p trend | |||
---|---|---|---|---|
1 OR | 2 OR | 3 OR (95 % CI) | ||
Folate intake (μg/d) | 172–634 | 635–926 | 927–1121 | |
Total prostate cancera | ||||
Cases/controls | 69/75 | 79/76 | 61/76 | |
Multivariableb | 1.00 (ref.) | 2.24 (0.95–5.55) | 2.49 (1.16–5.19) | 0.006 |
Low-grade cancerc | ||||
Cases/controls | 34/75 | 38/80 | 29/79 | |
Multivariableb | 1.00 (ref.) | 3.27 (0.99–10.86) | 2.58 (1.05–6.34) | 0.004 |
High-grade cancerd | ||||
Cases/controls | 33/75 | 40/80 | 28/79 | |
Multivariableb | 1.00 (ref) | 1.38 (0.49–3.62) | 1.92 (1.01–5.47) | 0.019 |