Incidence: lung cancer · healthy male physicians, period: 1997 to 2007 and female health professionals, period: 1998 to 2005
Vitamin C showed no clear difference in incidence: lung cancer compared with placebo (moderate certainty).
1 finding from 1 review
Incidence: lung cancer ‐ men · healthy male physicians, period: 1997 to 2007 and female health professionals, period: 1998 to 2005
Vitamin C showed no clear difference in incidence: lung cancer ‐ men compared with placebo (high certainty).
1 finding from 1 review
All‐cause mortality · adults with HIV infection
1 finding from 1 review
Morbidity · adults with HIV infection
1 finding from 1 review
CD4 cell count · adults with HIV infection
1 finding from 1 review
Viral load · adults with HIV infection
1 finding from 1 review
Mucositis eradicated · People with cancer receiving chemotherapy or radiotherapy (or both) who have oral mucositis
Vitamin E showed no clear difference in mucositis eradicated compared with placebo (not a true placebo); GRADE not reported.
1 finding from 1 review
Neuropathy due to vitamin E deficiency · 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
Retinopathy due to vitamin E deficiency · 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
Vitamin E total lipid ratio · 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
Vitamin E levels in serum: umol/L · adults and children with cystic fibrosis
1 finding from 1 review
no estimate extracted
6 participants
GRADE not reported
Vitamin E total lipid ratio · 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
Vitamin E levels in serum: umol/L · adults and children with cystic fibrosis
Summary of findings: water‐soluble vitamin E may leads to higher vitamin E levels in serum: umol/L compared with control (low certainty).
1 finding from 1 review
Neuropathy due to vitamin E deficiency · 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
Retinopathy due to vitamin E deficiency · 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
Birth weight (grammes) Standard balance beam to nearest 10g · Pregnant and lactating women with HIV
1 finding from 1 review
Birth weight < 2500g Standard beam balance to nearest 10g · Pregnant and lactating women with HIV
Multivitamins probably leads to lower birth weight < 2500g Standard beam balance to nearest 10g compared with no multivitamins (moderate certainty).
1 finding from 1 review
Gestational age (preterm birth < 37 weeks) · Pregnant and lactating women with HIV
Multivitamins showed no clear difference in preterm birth < 37 weeks Gestational age was determined using date… compared with no multivitamins (moderate certainty).
1 finding from 1 review
Small‐for‐gestational age or IUGR · Pregnant and lactating women with HIV
Multivitamins probably leads to lower small‐for‐gestational‐age Gestational age was determined using date… compared with no multivitamins (moderate certainty).
1 finding from 1 review
Foetal death · Pregnant and lactating women with HIV
Multivitamins probably leads to lower foetal death (stillbirth and miscarriage) compared with no multivitamins (moderate certainty).
1 finding from 1 review