Findings

What do systematic reviews say?

1 questions · 1 findings · 1 reviews

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 1 · 100%High 0 · 0%

Pain: presence of pain (slight or moderate) at 1 year · people with sickle cell disease

Vitamin D 100,000 IU/month showed no clear difference in presence of pain compared with 12,000 IU/month (moderate certainty).

1 finding from 1 review

Vitamin D supplementation for sickle cell disease 2020 · Cochrane Headline outcomes only
RR 1 [0.62, 1.62]
1 study · 62 participants
Moderate