Evid Based Nurs 7:119 doi:10.1136/ebn.7.4.119
  • Treatment

Review: prophylactic use of vitamin D reduces falls in older people

Vitamin D prophylaxis v a control condition (eg, calcium or placebo) in older people*

Outcome (3 mo to 3 y) Number of RCTs (n) Weighted event rates RRR (95% CI) NNT (CI)
Vitamin D Control
*RCTs  =  randomised controlled trials. Other abbreviations defined in glossary; weighted event rates, RRR, NNT, and CI calculated from data in article using a random-effects model.
Participants who had ⩾1 fall 5 (1237) 30% 37% 19% (6 to 31) 15 (9 to 52)

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