UI Author Year Study Design * Location (e.g., City and Country, latitude) N enrolled *** N analyzed Mean (SD) Age, yr Age Range/IQR Male, % Race/Ethnicity Anthropometry data (e.g., BMI, weight, or %body fat ...etc) Health Status Specific Nutrition Status Data (e.g., malnourish, low Vit D or Ca intake ...etc.)
16481636 Wactawski- Wende 2006 1. RCT (for supplement part of study)
2. Case- cohort
US (38ºN) RCT part: 36282 (Ca+vitD supplements n=18176, placebo n=18106) Case-cohort part: 634 (cases n=317, controls n=317) RCT part: 36282 Case- cohort part: 612 (cases n=306, controls n=306) nd 50–79y 0% White 83.1% Black 9.1% Hispanic 4.2% Indian/Alaskan Native 0.4% Asian or Pacific Islander 2.0% Unknown 1.2% nd Previous polyps: 8% Family Hx: 15% Aspirin: 19.4% HRT: 68.3% Participants of other trials: WHI hormone therapy trial: 56% WHI dietary modification trial: 31% nd
18092326 Ding 2008 RCT N=16089

Please copy from above


Report baseline data for all subjects: preferred data for subjects actually analyzed than for subjects that enrolled in the study.


For RCT, N enrolled is the number of subjects randomized. For cohort study, N enrolled is the total number of subjects fulfilled study inclusion criteria. For case-cohort study, please report as detailed as possible information on subjects selection. For example, original cohort sample size, number of subjects provided exposure data (eg. blood sample or dietary assessment), number of subjects had outcome data ...etc.

From: Appendix C, Evidence Tables: R-Z

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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