Change in haemoglobin level from baseline · Pregnant and lactating women with HIV
1 finding from 1 review
Change in CD4 count · Pregnant and lactating women with HIV
1 finding from 1 review
Any AMD · general population
Multivitamin probably leads to higher any AMD compared with placebo (moderate certainty).
1 finding from 1 review
Late AMD · general population
Multivitamin showed no clear difference in late AMD compared with placebo (moderate certainty).
1 finding from 1 review
Neovascular AMD · general population
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Geographic atrophy · general population
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Quality of life · general population
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Adverse effects · general population
1 finding from 1 review
no estimate extracted
Studies not reported
Moderate
Resource use and costs · general population
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
Bleeding complications: 0.2 mg IM versus 0.5 mg IM · preterm infants
Higher dose vitamin K showed no clear difference in bleeding complications: 0.2 mg IM versus 0.5 mg IM compared with lower dose vitamin K (low certainty).
1 finding from 1 review
Intraventricular hemorrhage > Grade II: 0.2 mg IM versus 0.5 mg IM · preterm infants
Higher dose vitamin K showed no clear difference in intraventricular hemorrhage > Grade II: 0.2 mg IM versus 0.5 mg IM compared with lower dose vitamin K (low certainty).
1 finding from 1 review
Presence of PIVKA II at day 5: 0.2 mg IM versus 0.5 mg IM · preterm infants
Higher dose vitamin K showed no clear difference in presence of PIVKA II at day 5: 0.2 mg IM versus 0.5 mg IM compared with lower dose vitamin K (low certainty).
1 finding from 1 review
Presence of PIVKA II at day 25: 0.2 mg IM versus 0.5 mg IM · preterm infants
Higher dose vitamin K showed no clear difference in presence of PIVKA II at day 25: 0.2 mg IM versus 0.5 mg IM compared with lower dose vitamin K (low certainty).
1 finding from 1 review
Necrotizing enterocolitis: 0.2 mg IM versus 0.5 mg IM · preterm infants
Higher dose vitamin K showed no clear difference in necrotizing enterocolitis: 0.2 mg IM versus 0.5 mg IM compared with lower dose vitamin K (low certainty).
1 finding from 1 review