Findings

What do systematic reviews say?

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

1,126 questions · 1,225 findings · 111 reviews

No studies found 235 · 19.2%GRADE not reported 260 · 21.2%Very low 207 · 16.9%Low 271 · 22.1%Moderate 177 · 14.4%High 75 · 6.1%

Vitamin D plus calcium vs calcium

Healing of rickets (number) Definition: normal alkaline phosphatase and bone radiograph

It is very uncertain whether vitamin D plus calcium changes healing of rickets (number) Definition: normal alkaline phosphatase… compared with calcium (very low certainty).

1 finding from 1 review

Vitamin D plus calcium vs calcium

Adverse events (number) Asymptomatic hypercalcaemia and hypercalciuria

It is very uncertain whether vitamin D plus calcium changes adverse events (number) Asymptomatic hypercalcaemia and hypercalciuria compared with calcium (very low certainty).

1 finding from 1 review

Vitamin A vs no supplementation

Chronic lung disease · promoting growth and development in very low birth weight infants receiving human milk

Supplemental vitamin A showed no clear difference in chronic lung disease (oxygen use at 28 days in survivors) compared with no supplementation (moderate certainty).

2 findings from 1 review

Vitamin A vs no supplementation

Death or chronic lung disease · promoting growth and development in very low birth weight infants receiving human milk

Supplemental vitamin A probably leads to lower death or chronic lung disease (oxygen use at 28 days) compared with no supplementation (moderate certainty).

2 findings from 1 review

Vitamin A vs no supplementation

Death before 36 weeks' postmenstrual age · promoting growth and development in very low birth weight infants receiving human milk

Supplemental vitamin A showed no clear difference in death before 36 weeks' postmenstrual age compared with no supplementation (moderate certainty).

1 finding from 1 review

Vitamin A vs no supplementation

Neurodevelopmental impairment at 18 to 22 months · promoting growth and development in very low birth weight infants receiving human milk

Supplemental vitamin A showed no clear difference in neurodevelopmental impairment at 18 to 22 months compared with no supplementation (low certainty).

1 finding from 1 review