40/ Incidence, rectal 37.4 vs 21.2 3.32 (0.87 to meat intake, 70 controls cancer ng/ml 12.69) pack-years of smoking, year of 193/ Incidence, 0.51 (0.26 to Q5 vs Q1 Interview NHS, 383 controls colorectal cancer Nested Case 149/ Incidence, colon 0.64 (0.33 to Control, Q4 vs Q1 295 controls cancer Age: 66 years, W 44/ Incidence, rectal 0.15 (0.02 to T3 vs T1 88 controls cancer 373/ Incidence, 0.66 (0.42 to Q5 vs Q1 739 controls colorectal cancer 1.05) HPFS & NHS 288/ Incidence, colon 0.54 (0.34 to T3 vs T1 571 controls cancer Incidence, 146/ vs ≥43.2 ≤31.7 colorectal 0.90 (0.50-1.70) 292 controls ng/l cancer, ATBC, Nested Case vs ≥19.4 ≤9.8 0.60 (0.30-1.10) Tangrea, 1997 Control, ng/l COL00267 Age: 50-69 Hospital records Questionnaire Incidence, distal Finland years, 103/ vs ≥19.4 ≤9.8 colon & rectal 0.50 (0.20-0.90) M, 204 controls ng/l cancer Smokers 91/ Incidence, colon vs ≥43.2 ≤31.7 1.20 (0.60-2.60) 181 controls cancer ng/l
meat intake, pack-years of smoking, year of Interview 40/ 70 controls Incidence, rectal cancer 37.4 vs 21.2 ng/ml 3.32 (0.87 to 12.69) NHS, Nested Case Control, Age: 66 years, W 193/ 383 controls Incidence, colorectal cancer Q5 vs Q1 0.51 (0.26 to 149/ 295 controls Incidence, colon cancer Q4 vs Q1 0.64 (0.33 to 44/ 88 controls Incidence, rectal cancer T3 vs T1 0.15 (0.02 to HPFS & NHS 373/ 739 controls Incidence, colorectal cancer Q5 vs Q1 0.66 (0.42 to 1.05) 288/ 571 controls Incidence, colon cancer T3 vs T1 0.54 (0.34 to Tangrea, 1997 COL00267 Finland ATBC, Nested Case Control, Age: 50-69 years, M, Smokers 146/ 292 controls Hospital records Questionnaire Incidence, colorectal cancer, ≥43.2 vs ≤31.7 ng/l 0.90 (0.50-1.70) ≥19.4 vs ≤9.8 ng/l 0.60 (0.30-1.10) 103/ 204 controls Incidence, distal colon & rectal cancer ≥19.4 vs ≤9.8 ng/l 0.50 (0.20-0.90) 91/ 181 controls Incidence, colon cancer ≥43.2 vs ≤31.7 ng/l 1.20 (0.60-2.60)