Restoration survival · Primary posterior teeth with multiple-surface cavities
Multiple-surface high-viscosity glass-ionomer ART restorations in primary teeth had moderate 2-year survival (62%, 95% CI 51-73%); evidence ungraded.
3 findings from 1 review
Restoration survival · Permanent posterior teeth with multiple-surface cavities
Multiple-surface high-viscosity glass-ionomer ART restorations in permanent teeth had high 1-year survival (86%, 95% CI 59-98%); evidence ungraded.
3 findings from 1 review
Dental caries · Individuals assessed for dental caries (cases with caries/high caries vs. caries-free or low/very-low-caries controls)
A gene-based analysis indicated that multiple LTF variants were jointly associated with dental caries risk (weighted TPM P = 0.0007; no pooled effect estimate; ungraded).
1 finding from 1 review
Oral health-related quality of life · Persons with disabilities (children and adults with autism, Down syndrome, cerebral palsy, hearing impairment, or multiple disabilities)…
Persons with disabilities in Saudi Arabia report poorer overall oral health-related quality of life and greater oral-health impact than those without disabilities, synthesized narratively without a pooled estimate (ungraded).
1 finding from 1 review
Dental caries prevalence and severity · Persons with disabilities (children and adults with autism, Down syndrome, cerebral palsy, hearing impairment, or multiple disabilities)…
Dental caries prevalence and severity are high among persons with disabilities in Saudi Arabia (60% to over 80%), and the one comparative autism study reported significantly higher caries than controls; synthesized narratively (ungraded).
1 finding from 1 review
Narrative synthesis (no pooled estimate). High dental caries burden among PWDs: caries prevalence 60% to over 80% (abstract). Alkahtani 2019 (hearing-impaired adults, single-arm): caries prevalence 82.2%, treatment…
Studies not reported
GRADE not reported
Moderate gingival inflammation / gingival health · Persons with disabilities (children and adults with autism, Down syndrome, cerebral palsy, hearing impairment, or multiple disabilities)…
Gingival inflammation is common among persons with disabilities in Saudi Arabia (moderate-to-severe up to about 60%), reported narratively without a pooled comparative estimate (ungraded).
1 finding from 1 review
Restoration survival · Permanent posterior teeth with multiple-surface cavities
The pooled survival rate was 41% at 2 years.
3 findings from 1 review
Survival percentage 41 [18, 67]
1 study
GRADE not reported
Survival percentage 86 [59, 98]
3 studies
GRADE not reported
Survival percentage 77 [56, 92]
1 study
GRADE not reported
Restoration survival · Primary posterior teeth with multiple-surface cavities
The pooled survival rate was 62% at 2 years.
3 findings from 1 review
Prostate cancer · Adults (general population)
Meta-analysis of observational studies (higher vs lower 25(OH)D) for Prostate cancer: OR 1.04 (95% CI 0.98 to 1.09), not statistically significant. Umbrella review outcome-level evidence grade: Substantial effect unlikely.
1 finding from 1 review
Alzheimer’s disease · Participants in observational studies
The meta-analysis of observational studies reported a SMD (to OR) of 0.08 (95% CI 0.01 to 0.63) for higher versus lower circulating vitamin D concentration.
1 finding from 1 review
Aggressive prostate cancer · Participants in observational studies
The meta-analysis of observational studies reported a OR of 0.88 (95% CI 0.68 to 1.15) for higher versus lower circulating vitamin D concentration.
1 finding from 1 review
Fasting blood glucose (mg/dL) · Adults with diabetes
Meta-analysis of randomised trials of vitamin D supplementation for Fasting glucose (Diabetes patients with normal glucose tolerance): WMD 0.01 (95% CI -0.21 to 0.23), not statistically significant. Umbrella review outcome-level evidence grade: Substantial effect unlikely.
2 findings from 1 review
WMD 0.01 [-0.21, 0.23]
Studies not reported
GRADE not reported
WMD -0.3 [-0.9, 0.3]
Studies not reported
GRADE not reported
Type 2 diabetes mellitus · Adults (general population)
Meta-analysis of observational studies (higher vs lower 25(OH)D) for Type 2 diabetes: OR 0.63 (95% CI 0.56 to 0.69), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.
1 finding from 1 review
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
Femoral neck bone mineral density (FN-BMD) · Older or community-dwelling adults
Meta-analysis of randomised trials of vitamin D supplementation for Bone mineral density in femoral neck, Community-dwelling adults: WMD 1.10 (95% CI 0.40 to 1.90), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.
1 finding from 1 review
WMD 1.10 [0.40, 1.90]
8 studies
GRADE not reported
Lumbar spine bone mineral density (BMD) · Older or community-dwelling adults
Meta-analysis of randomised trials of vitamin D supplementation for Bone mineral density in lumbar spine, Community-dwelling adults: WMD 0.10 (95% CI -0.60 to 0.70), not statistically significant. Umbrella review outcome-level evidence grade: Substantial effect unlikely.
1 finding from 1 review
WMD 0.10 [-0.60, 0.70]
7 studies
GRADE not reported
Sporadic colorectal adenoma recurrence · Adults (general population)
Meta-analysis of observational studies (higher vs lower 25(OH)D) for Sporadic colorectal adenoma recurrence: OR 0.87 (95% CI 0.57 to 1.33), not statistically significant. Umbrella review outcome-level evidence grade: No conclusion.
1 finding from 1 review
Ischaemic heart disease · Adults (general population)
Meta-analysis of observational studies (higher vs lower 25(OH)D) for Ischaemic heart disease: HR 0.72 (95% CI 0.65 to 0.81), statistically significant. Umbrella review outcome-level evidence grade: No conclusion.
1 finding from 1 review
Non‐vertebral fractures · Older or community-dwelling adults
Meta-analysis of randomised trials of vitamin D supplementation for Fractures: non-vertebral, People aged >65 years: RR 0.79 (95% CI 0.63 to 0.99), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.
1 finding from 1 review
Small‐for‐gestational age · pregnant women and their infants..
Meta-analysis of observational studies (higher vs lower maternal 25(OH)D) for Small for gestational age: OR 0.54 (95% CI 0.44 to 0.67), statistically significant. Umbrella review outcome-level evidence grade: Suggestive.
1 finding from 1 review