Findings

What do systematic reviews say?

4,776 questions · 7,311 findings · 959 reviews · Headline outcomes only

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No studies found 1,498 · 20.5%GRADE not reported 303 · 4.1%Very low 1,839 · 25.2%Low 1,991 · 27.2%Moderate 1,277 · 17.5%High 403 · 5.5%

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Low‐GI dietary advice vs moderate‐ to high‐GI dietary advice (child outcomes)

Caesarean section · pregnant women

It is very uncertain whether low‐GI dietary advice changes caesarean birth compared with moderate‐ to high‐GI dietary advice (maternal outcomes) (very low certainty).

1 finding from 1 review

Dietary advice interventions in pregnancy for preventing gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
RR 1.27 [0.79, 2.04]
2 studies · 201 participants
Very low

Low‐GI dietary advice vs moderate‐ to high‐GI dietary advice (child outcomes)

Perineal trauma · pregnant women

1 finding from 1 review

Dietary advice interventions in pregnancy for preventing gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Low‐GI dietary advice vs moderate‐ to high‐GI dietary advice (child outcomes)

Gestational weight gain · pregnant women

It is very uncertain whether low‐GI dietary advice changes gestational weight gain (kg) compared with moderate‐ to high‐GI dietary advice (maternal outcomes) (very low certainty).

1 finding from 1 review

Dietary advice interventions in pregnancy for preventing gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 787 participants
Very low

Low‐GI dietary advice vs moderate‐ to high‐GI dietary advice (child outcomes)

Postnatal depression · pregnant women

1 finding from 1 review

Dietary advice interventions in pregnancy for preventing gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Low‐GI dietary advice vs moderate‐ to high‐GI dietary advice (child outcomes)

Type 2 diabetes mellitus · pregnant women

1 finding from 1 review

Dietary advice interventions in pregnancy for preventing gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Low‐GI dietary advice vs moderate‐ to high‐GI dietary advice (child outcomes)

Perinatal mortality · pregnant women

1 finding from 1 review

Dietary advice interventions in pregnancy for preventing gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Low‐GI dietary advice vs moderate‐ to high‐GI dietary advice (child outcomes)

Large‐for‐gestational age · pregnant women

It is very uncertain whether low‐GI dietary advice changes large‐for‐gestational age compared with moderate‐ to high‐GI dietary advice (child outcomes) (very low certainty).

1 finding from 1 review

Dietary advice interventions in pregnancy for preventing gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
RR 0.6 [0.19, 1.86]
3 studies · 777 participants
Very low

Low‐GI dietary advice vs moderate‐ to high‐GI dietary advice (child outcomes)

Mortality or morbidity composite · pregnant women

1 finding from 1 review

Dietary advice interventions in pregnancy for preventing gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Low‐GI dietary advice vs moderate‐ to high‐GI dietary advice (child outcomes)

Neonatal hypoglycaemia · pregnant women

1 finding from 1 review

Dietary advice interventions in pregnancy for preventing gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Low‐GI dietary advice vs moderate‐ to high‐GI dietary advice (child outcomes)

Childhood/adulthood adiposity · pregnant women

1 finding from 1 review

Dietary advice interventions in pregnancy for preventing gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Low‐GI dietary advice vs moderate‐ to high‐GI dietary advice (child outcomes)

Childhood/adulthood type 2 diabetes mellitus · pregnant women

1 finding from 1 review

Dietary advice interventions in pregnancy for preventing gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Low‐GI dietary advice vs moderate‐ to high‐GI dietary advice (child outcomes)

Neurosensory disability · pregnant women

1 finding from 1 review

Dietary advice interventions in pregnancy for preventing gestational diabetes mellitus 2017 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Low‐level laser therapy vs simple dressing

Primary outcome: prevention of ulcer · ulceration and other skin changes caused by nerve damage in leprosy

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for ulceration and other skin changes caused by nerve damage in leprosy 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Low‐level laser therapy vs simple dressing

Ulcer healing · ulceration and other skin changes caused by nerve damage in leprosy

2 findings from 1 review

Interventions for ulceration and other skin changes caused by nerve damage in leprosy 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 23 participants
Very low
Interventions for ulceration and other skin changes caused by nerve damage in leprosy 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 23 participants
Very low

Low‐level laser therapy vs simple dressing

Adverse events associated with treatment · ulceration and other skin changes caused by nerve damage in leprosy

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for ulceration and other skin changes caused by nerve damage in leprosy 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Low‐level laser therapy vs simple dressing

Secondary outcome: quality of life · ulceration and other skin changes caused by nerve damage in leprosy

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for ulceration and other skin changes caused by nerve damage in leprosy 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Low‐level laser therapy vs simple dressing

Secondary outcome: acceptability of treatment · ulceration and other skin changes caused by nerve damage in leprosy

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for ulceration and other skin changes caused by nerve damage in leprosy 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Low‐level laser therapy vs simple dressing

Costs · ulceration and other skin changes caused by nerve damage in leprosy

1 finding from 1 review

Interventions for ulceration and other skin changes caused by nerve damage in leprosy 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 23 participants
Very low

Effect of low‐dose alcohol vs placebo

Systolic blood pressure · adult participants

1 finding from 1 review

Effect of alcohol on blood pressure 2020 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 28 participants
Low

Effect of low‐dose alcohol vs placebo

Diastolic blood pressure · adult participants

1 finding from 1 review

Effect of alcohol on blood pressure 2020 · Cochrane Headline outcomes only
no estimate extracted
28 participants
Low