Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

973 questions · 1,024 findings · 106 reviews

No studies found 235 · 22.9%GRADE not reported 59 · 5.8%Very low 207 · 20.2%Low 271 · 26.5%Moderate 177 · 17.3%High 75 · 7.3%

Vitamin D plus calcium vs placebo

Adverse events: serum calcium above normal · relatively healthy postmenopausal women

Vitamin D plus calcium showed no clear difference in adverse events: serum calcium above normal compared with placebo (low certainty).

1 finding from 1 review

Steroid plus vitamin D vs steroids

Number of participants achieving 'response' by PGA · scalp psoriasis

Steroid plus vitamin D leads to higher number of participants achieving 'response' by PGA compared with steroid (high certainty).

1 finding from 1 review

Steroid plus vitamin D vs steroids

Number of participants achieving 'clearance' by IGA · scalp psoriasis

Steroid plus vitamin D probably leads to higher number of participants achieving 'clearance' by IGA compared with steroid (moderate certainty).

1 finding from 1 review

Steroid plus vitamin D vs steroids

Number of participants achieving 'response' by IGA · scalp psoriasis

Steroid plus vitamin D probably leads to higher number of participants achieving 'response' by IGA compared with steroid (moderate certainty).

1 finding from 1 review

Steroid plus vitamin D vs steroids

Number of participants withdrawing due to adverse events (AE) · scalp psoriasis

Steroid plus vitamin D showed no clear difference in number of participants withdrawing due to adverse events (AE) compared with steroid (moderate certainty).

1 finding from 1 review