Table 316 Energy intake and colorectal cancer risk. Main characteristics of studies excluded from the CUP SLR dose-response analysis Author, Year, name, Study size Case Exposure RR (95%CI) Adjustment Reasons for WCRF Code, Outcome Comparison characteristics Follow-up ascertainment assessment Ptrend factors exclusion Country (years) Zheng, 1998 IWHS, 144/ SEER Incidence, rectal COL00209 Prospective 34 702 FFQ cancer, Outcome is USA Cohort, 9 years vs 0.89 (0.60-1.32) rectal cancer, ≥1940.4 Age: 55-69 Age kcal/day Ptrend:0.56 not enough ≤1499 years, studies W, Postmenopausal Steinmetz, 1994 IWHS, 212/ SEER Incidence, colon COL00178 Prospective 35 216 FFQ cancer, USA Cohort, 167 447 Superseded by Age: 55-69 Q 4 vs Q 1 0.66 (0.44-0.98) Age Bostick, 1994 years, COL00079 W, Postmenopausal Bostick, 1993 IWHS, 212/ SEER Incidence, COL00483 Prospective 35 216 FFQ cancer, Superseded by USA Cohort, 167 447 vs 0.62 (0.40-0.95) ≥2239 ≤1300 Age Bostick, 1994 Age: 55-69 kcal/day Ptrend:0.06 COL00079 years, W Willett, 1990 NHS, 150/ Cancer register Incidence, colon CRC00026 Prospective 88 751 FFQ cancer, USA Cohort, 512 488 Superseded by Age: 34-59 vs 0.94 (0.57-1.56) ≥1960 ≤1129 Age Martinez, 1996 years, kcal/day Ptrend:0.80 COL00131 W, Registered nurses
Table 316 Energy intake and colorectal cancer risk. Main characteristics of studies excluded from the CUP SLR dose-response Author, Year, WCRF Code, Country name, characteristics Study size Follow-up (years) Case ascertainment Exposure assessment Outcome Comparison RR (95%CI) Ptrend Adjustment factors Reasons for exclusion Zheng, 1998 COL00209 USA IWHS, Prospective Cohort, Age: 55-69 years, W, Postmenopausal 144/ 34 702 9 years SEER FFQ Incidence, rectal cancer, ≥1940.4 vs ≤1499 kcal/day 0.89 (0.60-1.32) Ptrend:0.56 Age Outcome is rectal cancer, not enough studies Steinmetz, 1994 COL00178 USA IWHS, Prospective Cohort, Age: 55-69 years, W, Postmenopausal 212/ 35 216 167 447 SEER FFQ Incidence, colon cancer, Q 4 vs Q 1 0.66 (0.44-0.98) Age Superseded by Bostick, 1994 COL00079 Bostick, 1993 COL00483 USA IWHS, Prospective Cohort, Age: 55-69 years, W 212/ 35 216 167 447 SEER FFQ Incidence, cancer, ≥2239 vs ≤1300 kcal/day 0.62 (0.40-0.95) Ptrend:0.06 Age Superseded by Bostick, 1994 COL00079 Willett, 1990 CRC00026 USA NHS, Prospective Cohort, Age: 34-59 years, W, Registered nurses 150/ 88 751 512 488 Cancer register FFQ Incidence, colon cancer, ≥1960 vs ≤1129 kcal/day 0.94 (0.57-1.56) Ptrend:0.80 Age Superseded by Martinez, 1996 COL00131 analysis