Progression to geographic atrophy · people with AMD
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Progression to visual loss (loss of 3 or more lines on logMAR chart) · people with AMD
Vitamin E showed no clear difference in progression to visual loss (loss of 3 or more lines on logMAR chart) compared with placebo (low certainty).
1 finding from 1 review
Quality of life · people with AMD
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 · people with AMD
It is very uncertain whether vitamin E changes adverse effects compared with placebo (very low certainty).
1 finding from 1 review
no estimate extracted
4 participants
Very low
Resource use and costs · people with AMD
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Incidence of pneumonia Defined as patient admitted to hospital with a diagnosis of pneumonia Dose: 2 g per day · school‐aged children (6 to 15 years) and marine corps recruits (mean age 18.5 years)
It is very uncertain whether vitamin C changes incidence of pneumonia Defined as patient admitted to hospital with… compared with placebo (very low certainty).
1 finding from 1 review
Prevalance of pneumonia · school‐aged children (6 to 15 years) and marine corps recruits (mean age 18.5 years)
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Mortality (pneumonia-associated) · school‐aged children (6 to 15 years) and marine corps recruits (mean age 18.5 years)
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 (urticaria) Defined as participants reporting urticaria (hives) Dose: 2 g per day · school‐aged children (6 to 15 years) and marine corps recruits (mean age 18.5 years)
It is very uncertain whether vitamin C changes adverse effects (urticaria) Defined as participants reporting… compared with placebo (very low certainty).
1 finding from 1 review
Duration of illness · children under 5 years of age
1 finding from 1 review
no estimate extracted
Studies not reported
Very low
Clinical cure · children under 5 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
Mortality (pneumonia-associated) · children under 5 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
Adverse effects · children under 5 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 cessation of bleeding · 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
BMD Z score (lumbar spine) · adults and children with cystic fibrosis
1 finding from 1 review
QoL · 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
Adverse events · 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
PIVKA II levels: change in PIVKA II (ng/mL) · adults and children with cystic fibrosis
1 finding from 1 review
Uncarboxylated osteocalcin: change in carboxylation of osteocalcin (% Glu‐OC) · 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
Tardive dyskinesia: No clinically important improvement · patients with antipsychotic‐induced tardive dyskinesia
VITAMIN E showed no clear difference in tardive dyskinesia: 1. Not improved to a clinically important extent compared with PLACEBO (low certainty).
1 finding from 1 review