Proximal colon vs ≥266 ≤168 185/ 0.72 (0.33-1.54) cancer , women mcg/day vs 1.26 (0.58-2.76) ≥243 ≤150 mcg/day 7 Rectal cancer, 152/ per 50 mcg/day 1.10 (0.92-1.32) vs ≥266 ≤168 0.69 (0.31-1.52) mcg/day IWHS, Incidence, colon 180/ Prospective cancer, no vs ≥413.5 35 216 0.70 (0.50-1.00) Sellers, 1998 Cohort, Age, history of Superseded by family history of iu/day ≤255.38 10 COL01974 Age: 55-69 SEER registry polyps, Razzak, 2012 crc FFQ USA years, energy intake COL40928 Family history vs W, ≥413.5 62/ 0.90 (0.50-1.70) of crc iu/day Postmenopausal ≤255.38
185/ Proximal colon cancer , women ≥266 vs ≤168 mcg/day 0.72 (0.33-1.54) 152/ Rectal cancer, ≥243 vs ≤150 mcg/day 1.26 (0.58-2.76) 7 per 50 mcg/day 1.10 (0.92-1.32) ≥266 vs ≤168 mcg/day 0.69 (0.31-1.52) Sellers, 1998 COL01974 USA IWHS, Prospective Cohort, Age: 55-69 years, W, Postmenopausal 180/ 35 216 10 SEER registry FFQ Incidence, colon cancer, no family history of crc ≥413.5 vs ≤255.38 iu/day 0.70 (0.50-1.00) Age, history of polyps, energy intake Superseded by Razzak, 2012 COL40928 62/ Family history of crc ≥413.5 vs ≤255.38 iu/day 0.90 (0.50-1.70)