FEV1 % predicted: absolute change from baseline · adults and children with cystic fibrosis
The review found no eligible studies for this question.
2 findings from 1 review
no estimate extracted
Studies not reported
No studies found
no estimate extracted
Studies not reported
No studies found
Quality of life · adults and children with cystic fibrosis
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Subclinical vitamin A deficiency (serum/plasma retinol 0.70 μmol/L or less) · general population over 2 years of age
It is very uncertain whether staple food fortified with vitamin A plus other micronutrients changes subclinical vitamin A deficiency (serum/plasma retinol 0.70 μmol/L… compared with no intervention (very low certainty).
1 finding from 1 review
Clinical vitamin A deficiency (as defined by night blindness) · general population over 2 years of age
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Any adverse effects (e.g. hypervitaminosis A, as defined by the trialists) · general population over 2 years of age
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Any adverse effects (e.g. hypervitaminosis A, as defined by the trialists) · general population over 2 years of age
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Subclinical vitamin A deficiency (serum/plasma retinol 0.70 μmol/L or less) · general population over 2 years of age
Staple foods fortified with vitamin A plus other micronutrients probably leads to lower subclinical vitamin A deficiency (serum/plasma retinol 0.70 μmol/L… compared with same unfortified staple foods (moderate certainty).
1 finding from 1 review
Clinical vitamin A deficiency (as defined by night blindness) · general population over 2 years of age
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Time to resolution of acute illness · children with acute pneumonia
1 finding from 1 review
Number of days in hospital (duration of hospitalisation) · children with acute pneumonia
1 finding from 1 review
Mortality rate ( · children with acute pneumonia
Vitamin D showed no clear difference in mortality rate ( compared with placebo (low certainty).
1 finding from 1 review
Quality of life · premenopausal women (age 18–32.7 years)
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Vertebral fracture · premenopausal women (age 18–32.7 years)
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Non‐vertebral fractures · premenopausal women (age 18–32.7 years)
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Acceptability: total withdrawals · premenopausal women (age 18–32.7 years)
Vitamin D showed no clear difference in withdrawals from the study for any reason compared with placebo (moderate certainty).
1 finding from 1 review
Serious adverse events · premenopausal women (age 18–32.7 years)
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Total hip BMD · premenopausal women (age 18–32.7 years)
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Lumbar spine bone mineral density (BMD) · premenopausal women (age 18–32.7 years)
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
All‐cause mortality · people with chronic liver diseases
It is very uncertain whether vitamin D changes all‐cause mortality compared with placebo or no intervention (very low certainty).
1 finding from 1 review
Liver‐related mortality · people with chronic liver diseases
It is very uncertain whether vitamin D changes liver‐related mortality compared with placebo or no intervention (very low certainty).
1 finding from 1 review