Vitamin D vs placebo or no intervention
Vitamin D may leads to lower cancer mortality in trials using vitamin D₃(cholecalciferol) compared with placebo or no intervention (low certainty).
- RR 0.88 [0.78, 0.98]4 studies · 44492 participantsLow
Vitamin D may leads to lower cancer mortality in trials using vitamin D₃(cholecalciferol) compared with placebo or no intervention (low certainty).
Vitamin D may leads to lower all‐cause mortality compared with placebo or no intervention (low certainty).
The review found no eligible studies for this question.
The review found no eligible studies for this question.
Higher dose vitamin K showed no clear difference in mortality (all infants): 0.2 mg IM versus 0.5 mg IM compared with lower dose vitamin K (low certainty).
Intramuscular vitamin K showed no clear difference in mortality (all infants): 0.2 mg IV versus 0.2 mg IM compared with intravenous vitamin K (low certainty).
Intramuscular vitamin K showed no clear difference in mortality (all infants): 0.2 mg IV versus 0.5 mg IM compared with intravenous vitamin K (low certainty).
Vitamin D showed no clear difference in mortality rate ( compared with placebo (low certainty).
It is very uncertain whether vitamin D changes all‐cause mortality compared with placebo or no intervention (very low certainty).
Meta-analysis of observational studies (higher vs lower 25(OH)D) for All cause mortality, Patients with chronic kidney disease: RR 0.86 (95% CI 0.81 to 0.92), statistically significant. Umbrella review outcome-level evidence grade: No conclusion.
Meta-analysis of observational studies (higher vs lower 25(OH)D) for All cause mortality: HR 0.72 (95% CI 0.66 to 0.78), statistically significant. Umbrella review outcome-level evidence grade: No conclusion.
It is very uncertain whether vitamin D changes liver‐related mortality compared with placebo or no intervention (very low certainty).
The review found no eligible studies for this question.
Vitamin A alone showed no clear difference in maternal mortality compared with placebo or no treatment (high certainty).
The review found no eligible studies for this question.
The review found no eligible studies for this question.
Vitamin A alone showed no clear difference in perinatal mortality compared with placebo or no treatment (high certainty).