Findings

What do systematic reviews say?

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

155 questions · 204 findings · 6 reviews · Dental caries

No studies found 2 · 1%GRADE not reported 201 · 98.5%Very low 1 · 0.5%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Vitamin D vs placebo or control

Hip Fracture · Older or community-dwelling adults

Meta-analysis of randomised trials of vitamin D supplementation for Fractures: hip, Men aged >65 years and postmenopausal women: RR 1.15 (95% CI 0.99 to 1.33), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D vs placebo or control

Systolic blood pressure · Adults (general population)

Meta-analysis of randomised trials of vitamin D supplementation for Systolic blood pressure: WMD -2.39 (95% CI -5.7 to 0.9), not statistically significant. Umbrella review outcome-level evidence grade: Suggestive.

1 finding from 1 review

Vitamin D vs placebo or control

Bone mineral density · children

Meta-analysis of randomised trials of vitamin D supplementation for Bone mineral density (Whole body / total), Healthy children: SMD 0.1 (95% CI -0.06 to 0.26), not statistically significant. Umbrella review outcome-level evidence grade: Substantial effect unlikely.

1 finding from 1 review

Vitamin D vs placebo or control

Hip/femoral bone mineral density (BMD) · children

Meta-analysis of randomised trials of vitamin D supplementation for Bone mineral density in hip, Healthy children: SMD 0.06 (95% CI -0.18 to 0.29), not statistically significant. Umbrella review outcome-level evidence grade: Substantial effect unlikely.

1 finding from 1 review

Vitamin D vs placebo or control

Bone mineral density · Older or community-dwelling adults

Meta-analysis of randomised trials of vitamin D supplementation for Bone mineral density, Community-dwelling adults: WMD -0.9 (95% CI -2.10 to 0.40), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D vs placebo or control

Insulin resistance · Adults with diabetes

Meta-analysis of randomised trials of vitamin D supplementation for Insulin resistance (Diabetes): SMD 0.16 (95% CI -0.11 to 0.42), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D compounds (supplementation) vs placebo or control

Hypercalcaemia · Adults with chronic kidney disease requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Risk of hypercalcaemia: RR 3.80 (95% CI 0.90 to 16.12), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D compounds (supplementation) vs placebo or control

Subperiosteal erosions · Adults with chronic kidney disease requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Subperiosteal erosions: RR 0.41 (95% CI 0.07 to 2.38), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D compounds (supplementation) vs placebo or control

All‐cause mortality · Adults with chronic kidney disease not requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Mortality: RR 1.40 (95% CI 0.38 to 5.15), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D compounds (supplementation) vs placebo or control

Creatinine clearance · Adults with chronic kidney disease not requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Creatinine clearance: WMD -1.68 (95% CI -6.92 to 3.56), 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 requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Risk of hyperphosphataemia: RR 1.57 (95% CI 0.97 to 2.54), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D compounds (supplementation) vs placebo or control

Fracture · Adults with chronic kidney disease requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Fractures: RR 1.00 (95% CI 0.06 to 15.41), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D compounds (supplementation) vs placebo or control

Hypercalcaemia · Adults with chronic kidney disease not requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Risk of hypercalcaemia: RR 3.04 (95% CI 1.17 to 7.90), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.

1 finding from 1 review

Vitamin D compounds (supplementation) vs placebo or control

Parathyroid hormone · Adults with chronic kidney disease requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Parathyroid hormone: WMD -196.05 (95% CI -298.43 to -93.66), statistically significant. Umbrella review outcome-level evidence grade: Probable.

1 finding from 1 review

Vitamin D compounds (supplementation) vs placebo or control

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

Meta-analysis of randomised trials of vitamin D supplementation for Risk of requiring dialysis: RR 0.76 (95% CI 0.36 to 1.62), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D compounds (supplementation) vs placebo or control

Parathyroid hormone · Adults with chronic kidney disease not requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Parathyroid hormone: WMD -49.34 (95% CI -85.70 to -12.97), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.

1 finding from 1 review

Vitamin D compounds (supplementation) vs placebo or control

Vascular calcification · Adults with chronic kidney disease requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Vascular calcification: RR 1.09 (95% CI 0.45 to 2.67), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review

Vitamin D compounds (supplementation) vs placebo or control

All‐cause mortality · Adults with chronic kidney disease requiring dialysis

Meta-analysis of randomised trials of vitamin D supplementation for Mortality: RR 1.34 (95% CI 0.34 to 5.24), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.

1 finding from 1 review