Preterm birth · pregnant women
Summary of findings table ‐ Vitamin B12 supplementation showed no clear difference in preterm birth (< 37 weeks) compared with placebo/no vitamin B12 supplementation (low certainty).
1 finding from 1 review
Child cognitive outcomes · pregnant women
1 finding from 1 review
Neural tube defects ‐ not reported · pregnant women
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Improvement in mucositis · People with cancer receiving chemotherapy or radiotherapy (or both) who have oral mucositis
Vitamin E (topical) led to higher improvement in mucositis compared with vitamin E (swallowed); GRADE not reported.
1 finding from 1 review
Mucositis eradicated · People with cancer receiving chemotherapy or radiotherapy (or both) who have oral mucositis
Vitamin E (topical) led to higher mucositis eradicated compared with vitamin E (swallowed); GRADE not reported.
1 finding from 1 review
Maternal death · pregnant women
Vitamin A alone showed no clear difference in maternal mortality compared with placebo or no treatment (high certainty).
1 finding from 1 review
Perinatal mortality · pregnant women
Vitamin A alone showed no clear difference in perinatal mortality compared with placebo or no treatment (high certainty).
1 finding from 1 review
Maternal anaemia · pregnant women
Vitamin A alone probably leads to lower maternal anaemia compared with placebo or no treatment (moderate certainty).
1 finding from 1 review
Maternal infection · pregnant women
Vitamin A alone may leads to lower maternal clinical infection compared with placebo or no treatment (low certainty).
1 finding from 1 review
Preterm birth · pregnant women
Vitamin A alone showed no clear difference in preterm birth compared with placebo or no treatment (high certainty).
1 finding from 1 review
Cost of the intervention · ulceration caused by nerve damage in leprosy
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Primary outcome: prevention of ulcer · ulceration caused by nerve damage in leprosy
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Ulcer healing · ulceration caused by nerve damage in leprosy
2 findings from 1 review
Adverse events associated with treatment · ulceration caused by nerve damage in leprosy
1 finding from 1 review
Secondary outcome: quality of life · ulceration caused by nerve damage in leprosy
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Secondary outcome: acceptability of treatment · ulceration caused by nerve damage in leprosy
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Serum vitamin B12 levels Normal value: > 300 pg/mL (> 221 pmol/L)
1 finding from 1 review
Cognitive function · cognitively healthy people in mid and late life
2 findings from 1 review
Incidence of MCI or all‐cause dementia ‐ not measured · cognitively healthy people in mid and late life
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 dementia ‐ not measured · MCI
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found