Duration of hospital stay ‐ not measured
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
It is very uncertain whether preoperative oral nutritional support changes mortality compared with normal diet (very low certainty).
1 finding from 1 review
Frequency of defecation (mean number of bowel movements per week) · patients aged 0 to 18 years with a diagnosis of functional constipation
1 finding from 1 review
Need for extra treatment · patients aged 0 to 18 years with a diagnosis of functional constipation
It is very uncertain whether PEG changes need for additional therapies compared with dietary fibre (very low certainty).
1 finding from 1 review
Frequency of faecal incontinence · patients aged 0 to 18 years with a diagnosis of functional constipation
1 finding from 1 review
Stillbirth · pregnant women receiving vitamin E supplementation or control, living in areas where there is either inadequate dietary intake of vitamin…
Any vitamin E supplementation showed no clear difference in stillbirth compared with placebo, no placebo or other supplements (moderate certainty).
1 finding from 1 review
Preterm birth · pregnant women receiving vitamin E supplementation or control, living in areas where there is either inadequate dietary intake of vitamin…
Any vitamin E supplementation showed no clear difference in preterm birth (less than 37 weeks' gestation) compared with placebo, no placebo or other supplements (high certainty).
1 finding from 1 review
Pre‐eclampsia · pregnant women receiving vitamin E supplementation or control, living in areas where there is either inadequate dietary intake of vitamin…
Any vitamin E supplementation showed no clear difference in clinical pre‐eclampsia (random‐effects model) compared with placebo, no placebo or other supplements (moderate certainty).
1 finding from 1 review
Intrauterine growth restriction · pregnant women receiving vitamin E supplementation or control, living in areas where there is either inadequate dietary intake of vitamin…
Any vitamin E supplementation showed no clear difference in intrauterine growth restriction (various definitions) compared with placebo, no placebo or other supplements (high certainty).
1 finding from 1 review
Preterm prelabour rupture of membranes · pregnant women receiving vitamin E supplementation or control, living in areas where there is either inadequate dietary intake of vitamin…
Any vitamin E supplementation showed no clear difference in prelabour rupture of fetal membranes ‐ preterm compared with placebo, no placebo or other supplements (low certainty).
1 finding from 1 review
Bleeding episodes (placental abruption) · pregnant women receiving vitamin E supplementation or control, living in areas where there is either inadequate dietary intake of vitamin…
Any vitamin E supplementation leads to lower bleeding episodes (placental abruption) compared with placebo, no placebo or other supplements (high certainty).
1 finding from 1 review
Intervention not reported
Stillbirth · All pregnant women receiving either vitamin C supplementation or control either in areas where there is inadequate dietary intake or where…
The intervention showed no clear difference in stillbirth (moderate certainty).
1 finding from 1 review
Intervention not reported
Intrauterine growth restriction · All pregnant women receiving either vitamin C supplementation or control either in areas where there is inadequate dietary intake or where…
The intervention showed no clear difference in intrauterine growth restriction (high certainty).
1 finding from 1 review
Intervention not reported
Preterm birth (< 37 weeks' gestation) · All pregnant women receiving either vitamin C supplementation or control either in areas where there is inadequate dietary intake or where…
The intervention showed no clear difference in preterm birth (< 37 weeks' gestation) (high certainty).
1 finding from 1 review
Intervention not reported
Preterm prelabour rupture of membranes · All pregnant women receiving either vitamin C supplementation or control either in areas where there is inadequate dietary intake or where…
The intervention showed no clear difference in preterm prelabour rupture of membranes (low certainty).
1 finding from 1 review
Intervention not reported
Clinical pre‐eclampsia · All pregnant women receiving either vitamin C supplementation or control either in areas where there is inadequate dietary intake or where…
The intervention showed no clear difference in clinical pre‐eclampsia (moderate certainty).
1 finding from 1 review
Intervention not reported
Placental abruption · All pregnant women receiving either vitamin C supplementation or control either in areas where there is inadequate dietary intake or where…
The intervention leads to lower placental abruption (high certainty).
1 finding from 1 review
Overall survival · Patients diagnosed with head and neck cancer planned to undergo any type of radiotherapy (external beam, intensity modulated,…
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
0 studies
No studies found
Trismus preventing further restorative treatment · Patients diagnosed with head and neck cancer planned to undergo any type of radiotherapy (external beam, intensity modulated,…
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
0 studies
No studies found
Trismus preventing further restorative treatment · Patients diagnosed with head and neck cancer planned to undergo any type of radiotherapy (external beam, intensity modulated,…
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
0 studies
No studies found