Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,126 questions · 1,225 findings · 111 reviews

No studies found 235 · 19.2%GRADE not reported 260 · 21.2%Very low 207 · 16.9%Low 271 · 22.1%Moderate 177 · 14.4%High 75 · 6.1%

Vitamin D compounds (supplementation) vs placebo or control

Parathyroidectomy · Adults with chronic kidney disease requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Parathyroidectomy: RR 0.82 (95% CI 0.05 to 12.47), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D compounds (supplementation) vs placebo or control

Alkaline phosphatase · Adults with chronic kidney disease not requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Alkaline phosphatase: WMD -21.81 (95% CI -40.39 to 3.22), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D compounds (supplementation) vs placebo or control

Risk of hyperphosphataemia · Adults with chronic kidney disease not requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Risk of hyperphosphataemia: RR 1.58 (95% CI 0.47 to 5.30), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D compounds (supplementation) vs placebo or control

Bone pain · Adults with chronic kidney disease requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Bone pain: RR 0.29 (95% CI 0.03 to 2.63), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D plus calcium vs placebo or control

Hip Fracture · post‐menopausal women and older people at risk of osteoporotic fractures

Vitamin D [D2, D3 or 25(OH)D] plus calcium leads to lower persons sustaining new hip fracture (1 year estimate) compared with control or placebo (high certainty).

1 finding from 1 review

Vitamin D plus calcium vs placebo or control

New fractures · post‐menopausal women and older people at risk of osteoporotic fractures

Vitamin D [D2, D3 or 25(OH)D] plus calcium leads to lower persons sustaining any new fracture (1 year estimate) compared with control or placebo (high certainty).

1 finding from 1 review

Non‐vitamin‐K‐antagonist oral anticoagulants vs placebo

Apixaban (all doses combined) vs placebo · adults after AMI without an indication for anticoagulation
3 findings from 1 review

Non‐vitamin‐K‐antagonist oral anticoagulants vs placebo

Rivaroxaban (all doses combined) vs placebo · adults after AMI without an indication for anticoagulation
3 findings from 1 review

Non‐vitamin‐K‐antagonist oral anticoagulants vs placebo

Dabigatran (all doses combined) vs placebo · adults after AMI without an indication for anticoagulation
3 findings from 1 review