UI Author Year Study Design * Inclusion Exclusion Enrollment Years Trial or Cohort Name Funding Source Extractor
3620314 Wu, 1987 Cohort study Residents who moved into the Large retirement community between June, 1981 and June 1982 were mailed a questionnaire on June 1982. A total of 11,888 (625) of the 19,752 residents returned the questionnaire. Pre-existing CRC were excluded from the analysis 1982 nd nd MC

Leave appropriate choice of study design and delete all others


Post hoc analyses of an existing RCT for outcomes that were not planned in the original RCT

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.

NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.