Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

87 questions · 90 findings · 34 reviews

No studies found 18 · 20%GRADE not reported 11 · 12.2%Very low 12 · 13.3%Low 20 · 22.2%Moderate 14 · 15.6%High 15 · 16.7%

Vitamin D vs placebo or no intervention

Cancer mortality in trials using vitamin D3 (cholecalciferol) ( · healthy participants or recruited among the general population; individuals diagnosed with a specific disease in a stable phase or with…

Vitamin D may leads to lower cancer mortality in trials using vitamin D₃(cholecalciferol) compared with placebo or no intervention (low certainty).

1 finding from 1 review

Vitamin K antagonist (VKA) prophylaxis vs no prophylaxis

All‐cause mortality · ambulatory people with cancer without venous thromboembolism receiving systemic therapy

Vitamin K antagonist (VKA) prophylaxis showed no clear difference in mortality compared with no prophylaxis (moderate certainty).

1 finding from 1 review

Vitamin K antagonists vs low molecular weight heparin

All‐cause mortality · ambulatory patients with multiple myeloma receiving immunomodulatory agents

It is very uncertain whether vitamin K antagonist (VKA) changes all‐cause mortality compared with low molecular weight heparin (LMWH) (very low certainty).

2 findings from 1 review

Vitamin K antagonist (VKA) prophylaxis vs no prophylaxis

Mortality at 6 months: main analysis · ambulatory people with cancer without venous thromboembolism receiving systemic therapy

Vitamin K antagonist (VKA) prophylaxis showed no clear difference in mortality at 6 months: main analysis compared with no prophylaxis (moderate certainty).

1 finding from 1 review