2 ARMS/GROUPS: DICHOTOMOUS OUTCOMES (e.g. OR, RR, %death)

Subjects who did not take calcium supplements before the first colonoscopy in the follow-up period

UI Author Year Outcome Exposure/Intervention Mean Follow-up, mo N Event N Total Outcome Metric (e.g. OR, RR, HR, %) and direction of comparison * Unadjusted Adjusted
Result 95% CI P btw Result 95% CI P btw
17227996 Grau 2007 All adenomas Calcium group 5 years 28 102 RR 0.59 0.40–0.90 nd
Placebo group 5 years 48 114
17227996 Grau 2007 All adenomas Calcium group 5–10 years 53 121 RR 1.05 0.77–1.43 nd
Placebo group 5–10 years 50 123
17227996 Grau 2007 Advanced Adenomas Calcium group 5 years 10 102 RR 0.62 0.29–1.33 nd
Placebo group 5 years 14 114
17227996 Grau 2007 Advanced Adenomas Calcium group 5–10 years 18 121 RR 1.18 0.57–2.43 nd
Placebo group 5–10 years 15 123
*

Example: OR Ca/placebo

From: Appendix C, Evidence Tables: F-K

Cover of Vitamin D and Calcium
Vitamin D and Calcium: A Systematic Review of Health Outcomes.
Evidence Reports/Technology Assessments, No. 183.
Chung M, Balk EM, Brendel M, et al.

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