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
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
Mortality (all cause) · Adults (general population)
Meta-analysis of randomised trials of vitamin D supplementation for Mortality (all cause) (Vitamin D2, general population): RR 1.04 (95% CI 0.97 to 1.11), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.
2 findings from 1 review
Performance measures: balance sway · Older or community-dwelling adults
Meta-analysis of randomised trials of vitamin D supplementation for Performance measures: balance sway, Older adults: SMD -0.20 (95% CI -0.39 to -0.01), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.
1 finding from 1 review
SMD -0.20 [-0.39, -0.01]
3 studies
GRADE not reported
Performance measures: lower extremity strength · Older or community-dwelling adults
Meta-analysis of randomised trials of vitamin D supplementation for Performance measures: lower extremity strength, Older adults: SMD 0.05 (95% CI -0.11 to 0.20), not statistically significant. Umbrella review outcome-level evidence grade: Substantial effect unlikely.
1 finding from 1 review
SMD 0.05 [-0.11, 0.20]
3 studies
GRADE not reported
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
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
Serum fasting triglyceride (TG, mmol/L) · Adults (general population)
Meta-analysis of randomised trials of vitamin D supplementation for Triglycerides: WMD -1.92 (95% CI -7.72 to 3.88), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.
1 finding from 1 review
WMD -1.92 [-7.72, 3.88]
8 studies
GRADE not reported
High density lipoprotein · Adults (general population)
Meta-analysis of randomised trials of vitamin D supplementation for High density lipoprotein: WMD -0.14 (95% CI -0.99 to 0.71), not statistically significant. Umbrella review outcome-level evidence grade: Substantial effect unlikely.
1 finding from 1 review
WMD -0.14 [-0.99, 0.71]
8 studies
GRADE not reported
Falls · Older or community-dwelling adults
Meta-analysis of randomised trials of vitamin D supplementation for Falls, Older adults: OR 0.97 (95% CI 0.84 to 1.11), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.
3 findings from 1 review
OR 0.97 [0.84, 1.11]
10 studies
GRADE not reported
RAR 0.55 [0.19, 1.64]
2 studies
GRADE not reported
RAR 1.14 [1.03, 1.27]
2 studies
GRADE not reported
Head circumference (mm) · pregnant women
Meta-analysis of randomised trials of vitamin D supplementation for Head circumference at birth: WMD 0.43 (95% CI 0.06 to 0.79), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.
1 finding from 1 review
WMD 0.43 [0.06, 0.79]
2 studies
GRADE not reported
Low birthweight · pregnant women
Meta-analysis of randomised trials of vitamin D supplementation for Low birth weight: RR 0.4 (95% CI 0.23 to 0.71), statistically significant. Umbrella review outcome-level evidence grade: Probable.
1 finding from 1 review
Alkaline phosphatase · Adults with chronic kidney disease requiring dialysis
Meta-analysis of randomised trials of vitamin D supplementation for Alkaline phosphatase: WMD -27.35 (95% CI -50.69 to -4.01), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.
1 finding from 1 review
Fracture · Older or community-dwelling adults
Meta-analysis of randomised trials of vitamin D supplementation for Fractures, Men aged >65 years and postmenopausal women: RR 1.01 (95% CI 0.93 to 1.09), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.
1 finding from 1 review
Bone mineral density in forearm · Older or community-dwelling adults
Meta-analysis of randomised trials of vitamin D supplementation for Bone mineral density in forearm, Community-dwelling adults: WMD -0.70 (95% CI -1.70 to 0.40), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.
1 finding from 1 review
WMD -0.70 [-1.70, 0.40]
2 studies
GRADE not reported
Hip/femoral bone mineral density (BMD) · Older or community-dwelling adults
Meta-analysis of randomised trials of vitamin D supplementation for Bone mineral density in hip, Community-dwelling adults: WMD 0.70 (95% CI -0.10 to 1.60), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.
1 finding from 1 review
WMD 0.70 [-0.10, 1.60]
6 studies
GRADE not reported
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
Serum low‐density lipoprotein (LDL, mmol/L) · Adults (general population)
Meta-analysis of randomised trials of vitamin D supplementation for Low density lipoprotein: WMD 3.23 (95% CI 0.55 to 5.9), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.
1 finding from 1 review
WMD 3.23 [0.55, 5.9]
7 studies
GRADE not reported
CVD · Adults (general population)
Meta-analysis of randomised trials of vitamin D supplementation for Cardiovascular disease: RR 0.95 (95% CI 0.86 to 1.05), not statistically significant. Umbrella review outcome-level evidence grade: Suggestive.
1 finding from 1 review
RR 0.95 [0.86, 1.05]
2 studies
GRADE not reported
Lumbar spine bone mineral density (BMD) · children
Meta-analysis of randomised trials of vitamin D supplementation for Bone mineral density in lumbar spine, Healthy children: SMD 0.15 (95% CI -0.01 to 0.31), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.
1 finding from 1 review
SMD 0.15 [-0.01, 0.31]
5 studies
GRADE not reported